Table B-18 - Estimated Measures of Reliability for Shipment Characteristics by Two-Digit Commodity and Shipment Size for State of Origin: 2002

[Estimates are based on data from the Commodity Flow Survey. Because of rounding, estimates may not be additive]

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All Commodities

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	5.1	–	11.8	–	10.6	–	7.2
Less than 50 lbs	11.7	0.5	17.0	–	24.1	0.2	8.7
50 to 99 lbs	6.9	0.1	9.3	–	13.5	–	13.5
100 to 499 lbs	7.0	0.3	9.8	0.2	13.3	0.3	6.8
500 to 749 lbs	8.7	0.3	7.0	–	13.9	0.1	13.2
750 to 999 lbs	14.4	0.3	14.8	–	13.2	0.1	13.4
1,000 to 9,999 lbs	11.4	2.5	12.5	1.3	16.5	1.7	11.2
10,000 to 49,999 lbs	7.8	2.9	12.8	2.9	8.9	2.5	12.4
50,000 to 99,999 lbs	13.0	0.4	14.5	2.0	12.8	0.7	11.9
100,000 lbs or more	17.0	0.3	35.4	2.3	27.3	2.5	33.2

SCTG 1, Live animals and live fish

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	–	–	–	–	–	–	–
Less than 50 lbs	–	–	–	–	–	–	–
50 to 99 lbs	–	–	–	–	–	–	–
100 to 499 lbs	–	–	–	–	–	–	–
500 to 749 lbs	–	–	–	–	–	–	–
750 to 999 lbs	–	–	–	–	–	–	–
1,000 to 9,999 lbs	–	–	–	–	–	–	–
10,000 to 49,999 lbs	–	–	–	–	–	–	–
50,000 to 99,999 lbs	–	–	–	–	–	–	–
100,000 lbs or more	–	–	–	–	–	–	–

SCTG 2, Cereal grains

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	S	S	S	S	S	S	31.6
Less than 50 lbs	–	–	–	–	–	–	–
50 to 99 lbs	–	–	–	–	–	–	–
100 to 499 lbs	–	–	–	–	–	–	–
500 to 749 lbs	–	–	–	–	–	–	–
750 to 999 lbs	–	–	–	–	–	–	–
1,000 to 9,999 lbs	–	–	–	–	–	–	–
10,000 to 49,999 lbs	–	–	–	–	–	–	–
50,000 to 99,999 lbs	S	S	S	S	S	S	31.6
100,000 lbs or more	–	–	–	–	–	–	–

SCTG 3, Other agricultural products

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	43.2	–	S	S	38.6	–	S
Less than 50 lbs	S	S	S	S	S	S	S
50 to 99 lbs	S	S	S	S	S	S	S
100 to 499 lbs	S	S	S	S	S	S	S
500 to 749 lbs	S	S	S	S	S	S	S
750 to 999 lbs	S	S	S	S	S	S	S
1,000 to 9,999 lbs	S	S	S	S	S	S	49.0
10,000 to 49,999 lbs	S	S	32.7	16.2	29.9	12.6	22.9
50,000 to 99,999 lbs	S	S	S	S	S	S	36.6
100,000 lbs or more	S	S	S	S	S	S	35.1

SCTG 4, Animal feed and products of animal origin, nec

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	48.0	–	44.6	–	S	S	48.5
Less than 50 lbs	S	S	S	S	S	S	31.6
50 to 99 lbs	S	S	S	S	S	S	31.6
100 to 499 lbs	S	S	S	S	S	S	31.6
500 to 749 lbs	S	S	S	S	S	S	30.4
750 to 999 lbs	S	S	S	S	S	S	31.6
1,000 to 9,999 lbs	S	S	S	S	S	S	25.8
10,000 to 49,999 lbs	46.0	5.9	41.0	5.6	45.5	7.4	S
50,000 to 99,999 lbs	S	S	S	S	S	S	21.9
100,000 lbs or more	S	S	S	S	S	S	31.2

SCTG 5, Meat, fish, seafood, and their preparations

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	18.5	–	19.5	–	30.9	–	35.0
Less than 50 lbs	35.3	–	35.5	–	37.0	–	37.9
50 to 99 lbs	37.9	0.2	39.1	0.1	38.0	–	46.3
100 to 499 lbs	27.1	1.3	31.2	1.0	27.1	0.3	49.7
500 to 749 lbs	35.4	1.0	29.0	0.6	24.1	0.2	S
750 to 999 lbs	35.7	0.5	36.9	0.5	S	S	27.8
1,000 to 9,999 lbs	15.2	2.8	20.9	3.8	26.5	3.4	7.4
10,000 to 49,999 lbs	25.2	6.4	26.7	7.4	38.4	7.1	9.9
50,000 to 99,999 lbs	S	S	S	S	S	S	28.7
100,000 lbs or more	S	S	S	S	S	S	29.7

SCTG 6, Milled grain products and preparations, and bakery products

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	49.6	–	S	S	43.9	–	S
Less than 50 lbs	S	S	S	S	S	S	S
50 to 99 lbs	S	S	S	S	S	S	S
100 to 499 lbs	S	S	S	S	47.3	4.5	S
500 to 749 lbs	S	S	S	S	S	S	30.0
750 to 999 lbs	S	S	S	S	S	S	38.8
1,000 to 9,999 lbs	S	S	S	S	S	S	28.0
10,000 to 49,999 lbs	S	S	S	S	48.5	15.5	32.2
50,000 to 99,999 lbs	S	S	S	S	S	S	27.9
100,000 lbs or more	S	S	S	S	S	S	31.6

SCTG 7, Other prepared foodstuffs and fats and oils

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	16.4	–	22.5	–	16.5	–	S
Less than 50 lbs	48.9	0.6	S	S	40.1	–	S
50 to 99 lbs	S	S	S	S	S	S	S
100 to 499 lbs	36.6	1.8	46.8	1.8	36.0	0.2	S
500 to 749 lbs	48.5	0.8	S	S	S	S	S
750 to 999 lbs	S	S	S	S	S	S	S
1,000 to 9,999 lbs	37.2	5.7	S	S	S	S	37.0
10,000 to 49,999 lbs	19.9	8.8	11.6	6.8	19.7	7.4	13.5
50,000 to 99,999 lbs	S	S	S	S	S	S	42.5
100,000 lbs or more	20.8	0.7	18.6	1.6	30.9	4.5	21.6

SCTG 8, Alcoholic beverages

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	25.6	–	20.7	–	35.7	–	46.6
Less than 50 lbs	45.6	0.6	35.0	0.4	S	S	S
50 to 99 lbs	26.9	0.8	21.8	0.6	S	S	31.4
100 to 499 lbs	29.9	6.2	31.0	6.3	S	S	29.4
500 to 749 lbs	32.8	1.3	37.9	1.6	S	S	34.5
750 to 999 lbs	38.8	1.7	44.7	1.3	46.1	2.8	S
1,000 to 9,999 lbs	43.6	12.5	46.3	11.5	41.7	14.8	S
10,000 to 49,999 lbs	30.1	12.6	33.8	13.5	40.2	19.5	26.3
50,000 to 99,999 lbs	S	S	S	S	S	S	29.9
100,000 lbs or more	S	S	S	S	S	S	28.1

SCTG 9, Tobacco products

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	30.6	–	S	S	33.0	–	17.9
Less than 50 lbs	41.4	0.3	42.3	0.5	42.4	7.5	12.7
50 to 99 lbs	26.1	–	28.9	–	24.5	–	19.3
100 to 499 lbs	30.2	0.2	18.9	0.2	16.4	0.2	S
500 to 749 lbs	36.5	0.2	28.5	0.2	33.3	0.4	24.2
750 to 999 lbs	38.7	–	S	S	46.6	0.3	S
1,000 to 9,999 lbs	30.4	2.5	36.5	1.9	30.5	1.8	36.5
10,000 to 49,999 lbs	31.8	2.7	S	S	35.3	7.9	S
50,000 to 99,999 lbs	–	–	–	–	–	–	–
100,000 lbs or more	–	–	–	–	–	–	–

SCTG 10, Monumental or building stone

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	S	S	S	S	S	S	31.5
Less than 50 lbs	–	–	–	–	–	–	–
50 to 99 lbs	S	S	S	S	S	S	31.6
100 to 499 lbs	S	S	S	S	S	S	31.6
500 to 749 lbs	S	S	S	S	S	S	31.3
750 to 999 lbs	S	S	S	S	S	S	31.6
1,000 to 9,999 lbs	S	S	S	S	S	S	31.5
10,000 to 49,999 lbs	S	S	S	S	S	S	31.6
50,000 to 99,999 lbs	–	–	–	–	–	–	–
100,000 lbs or more	–	–	–	–	–	–	–

SCTG 11, Natural sands

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	24.0	–	43.9	–	37.7	–	33.3
Less than 50 lbs	–	–	–	–	–	–	–
50 to 99 lbs	–	–	–	–	–	–	–
100 to 499 lbs	–	–	–	–	–	–	–
500 to 749 lbs	–	–	–	–	–	–	–
750 to 999 lbs	–	–	–	–	–	–	–
1,000 to 9,999 lbs	S	S	S	S	S	S	34.7
10,000 to 49,999 lbs	30.7	12.2	48.1	11.2	41.0	11.2	37.8
50,000 to 99,999 lbs	44.7	4.3	S	S	S	S	30.3
100,000 lbs or more	36.5	12.1	48.9	12.1	28.7	13.0	S

SCTG 12, Gravel and crushed stone

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	9.6	–	10.5	–	13.8	–	9.6
Less than 50 lbs	–	–	–	–	–	–	–
50 to 99 lbs	–	–	–	–	–	–	–
100 to 499 lbs	S	S	S	S	S	S	30.3
500 to 749 lbs	S	S	S	S	S	S	31.6
750 to 999 lbs	S	S	S	S	S	S	S
1,000 to 9,999 lbs	17.6	–	16.4	–	29.1	–	22.5
10,000 to 49,999 lbs	10.1	2.9	11.1	2.9	14.6	5.3	10.7
50,000 to 99,999 lbs	15.8	1.6	16.7	2.2	26.6	2.5	16.6
100,000 lbs or more	30.4	2.4	29.1	2.0	37.2	6.9	S

SCTG 13, Nonmetallic minerals nec

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	S	S	S	S	41.4	–	24.6
Less than 50 lbs	S	S	S	S	S	S	31.6
50 to 99 lbs	S	S	S	S	S	S	31.6
100 to 499 lbs	S	S	S	S	S	S	29.8
500 to 749 lbs	S	S	S	S	S	S	31.6
750 to 999 lbs	S	S	S	S	S	S	S
1,000 to 9,999 lbs	S	S	S	S	S	S	28.4
10,000 to 49,999 lbs	39.0	10.5	S	S	39.8	10.6	S
50,000 to 99,999 lbs	48.5	3.9	48.0	3.7	48.1	4.5	24.1
100,000 lbs or more	S	S	S	S	S	S	25.8

SCTG 14, Metallic ores and concentrates

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	44.7	–	40.5	–	41.1	–	40.5
Less than 50 lbs	S	S	S	S	S	S	27.9
50 to 99 lbs	–	–	–	–	–	–	–
100 to 499 lbs	S	S	S	S	S	S	32.9
500 to 749 lbs	S	S	S	S	S	S	S
750 to 999 lbs	S	S	S	S	S	S	28.1
1,000 to 9,999 lbs	S	S	S	S	S	S	47.6
10,000 to 49,999 lbs	S	S	S	S	S	S	27.5
50,000 to 99,999 lbs	–	–	–	–	–	–	–
100,000 lbs or more	–	–	–	–	–	–	–

SCTG 15, Coal

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	–	–	–	–	–	–	–
Less than 50 lbs	–	–	–	–	–	–	–
50 to 99 lbs	–	–	–	–	–	–	–
100 to 499 lbs	–	–	–	–	–	–	–
500 to 749 lbs	–	–	–	–	–	–	–
750 to 999 lbs	–	–	–	–	–	–	–
1,000 to 9,999 lbs	–	–	–	–	–	–	–
10,000 to 49,999 lbs	–	–	–	–	–	–	–
50,000 to 99,999 lbs	–	–	–	–	–	–	–
100,000 lbs or more	–	–	–	–	–	–	–

SCTG 17, Gasoline and aviation turbine fuel

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	14.9	–	15.6	–	26.6	–	20.5
Less than 50 lbs	S	S	S	S	S	S	31.6
50 to 99 lbs	S	S	S	S	S	S	32.7
100 to 499 lbs	S	S	S	S	S	S	29.6
500 to 749 lbs	S	S	S	S	S	S	30.7
750 to 999 lbs	S	S	S	S	S	S	26.4
1,000 to 9,999 lbs	S	S	S	S	S	S	43.4
10,000 to 49,999 lbs	18.3	6.8	19.7	6.0	34.0	7.6	19.3
50,000 to 99,999 lbs	14.8	6.9	15.1	6.1	22.9	7.9	16.5
100,000 lbs or more	–	–	–	–	–	–	–

SCTG 18, Fuel oils

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	43.9	–	44.8	–	29.7	–	47.7
Less than 50 lbs	S	S	S	S	S	S	33.1
50 to 99 lbs	–	–	–	–	–	–	–
100 to 499 lbs	S	S	S	S	S	S	S
500 to 749 lbs	S	S	S	S	S	S	33.2
750 to 999 lbs	S	S	S	S	S	S	34.0
1,000 to 9,999 lbs	S	S	47.9	5.5	34.4	3.5	S
10,000 to 49,999 lbs	23.8	7.5	35.3	7.2	31.1	7.0	38.1
50,000 to 99,999 lbs	S	S	S	S	45.5	7.8	27.1
100,000 lbs or more	–	–	–	–	–	–	–

SCTG 19, Coal and petroleum products, nec

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	S	S	49.8	–	S	S	S
Less than 50 lbs	S	S	S	S	S	S	S
50 to 99 lbs	S	S	S	S	S	S	28.0
100 to 499 lbs	S	S	S	S	S	S	S
500 to 749 lbs	S	S	S	S	S	S	S
750 to 999 lbs	S	S	S	S	S	S	S
1,000 to 9,999 lbs	S	S	S	S	S	S	35.0
10,000 to 49,999 lbs	S	S	S	S	S	S	21.5
50,000 to 99,999 lbs	S	S	S	S	S	S	33.4
100,000 lbs or more	–	–	–	–	–	–	–

SCTG 20, Basic chemicals

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	26.5	–	38.1	–	21.3	–	S
Less than 50 lbs	44.7	0.2	33.5	–	32.9	–	S
50 to 99 lbs	S	S	45.8	–	36.8	–	S
100 to 499 lbs	40.2	3.0	S	S	31.8	1.5	S
500 to 749 lbs	44.4	2.3	42.7	1.2	32.0	0.4	S
750 to 999 lbs	S	S	37.0	1.0	40.1	0.7	S
1,000 to 9,999 lbs	44.5	6.2	S	S	36.5	7.3	S
10,000 to 49,999 lbs	26.5	5.5	44.9	6.0	30.3	7.8	S
50,000 to 99,999 lbs	S	S	S	S	S	S	31.6
100,000 lbs or more	39.3	8.4	S	S	35.1	9.2	27.9

SCTG 21, Pharmaceutical products

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	20.7	–	35.1	–	38.6	–	45.1
Less than 50 lbs	44.3	4.1	S	S	S	S	46.1
50 to 99 lbs	38.5	0.3	49.2	1.8	S	S	S
100 to 499 lbs	24.1	2.3	29.6	0.7	22.0	0.8	S
500 to 749 lbs	29.9	1.2	33.8	2.1	21.6	1.5	S
750 to 999 lbs	37.9	0.6	40.8	0.6	36.5	2.1	S
1,000 to 9,999 lbs	18.5	4.3	24.0	4.8	29.3	6.9	S
10,000 to 49,999 lbs	29.1	7.7	40.5	10.1	42.5	13.2	14.3
50,000 to 99,999 lbs	S	S	S	S	S	S	31.6
100,000 lbs or more	S	S	S	S	S	S	31.6

SCTG 22, Fertilizers

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	S	S	S	S	S	S	24.4
Less than 50 lbs	–	–	–	–	–	–	–
50 to 99 lbs	–	–	–	–	–	–	–
100 to 499 lbs	–	–	–	–	–	–	–
500 to 749 lbs	–	–	–	–	–	–	–
750 to 999 lbs	–	–	–	–	–	–	–
1,000 to 9,999 lbs	S	S	S	S	S	S	29.9
10,000 to 49,999 lbs	48.8	3.6	S	S	47.7	1.3	24.7
50,000 to 99,999 lbs	S	S	S	S	S	S	29.8
100,000 lbs or more	S	S	S	S	S	S	23.7

SCTG 23, Chemical products and preparations, nec

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	21.9	–	38.7	–	28.6	–	26.8
Less than 50 lbs	48.2	4.9	38.3	0.9	42.1	0.8	24.6
50 to 99 lbs	41.1	0.7	41.4	0.4	38.5	0.3	S
100 to 499 lbs	40.8	3.8	30.6	4.7	27.6	2.2	S
500 to 749 lbs	44.8	1.4	35.8	0.9	44.1	2.8	46.5
750 to 999 lbs	44.6	0.6	31.9	1.3	37.3	0.3	S
1,000 to 9,999 lbs	36.7	5.9	39.4	4.4	44.6	4.5	21.5
10,000 to 49,999 lbs	29.0	8.9	42.6	9.1	31.6	8.3	34.4
50,000 to 99,999 lbs	S	S	S	S	S	S	S
100,000 lbs or more	S	S	S	S	S	S	S

SCTG 24, Plastics and rubber

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	S	S	43.8	–	S	S	16.1
Less than 50 lbs	34.5	1.3	38.0	0.4	S	S	21.2
50 to 99 lbs	38.3	0.7	48.7	0.3	S	S	17.1
100 to 499 lbs	S	S	S	S	S	S	17.7
500 to 749 lbs	36.0	0.3	33.2	0.3	S	S	22.0
750 to 999 lbs	S	S	45.3	0.2	S	S	20.5
1,000 to 9,999 lbs	S	S	S	S	S	S	17.1
10,000 to 49,999 lbs	47.5	6.2	43.5	6.4	S	S	9.6
50,000 to 99,999 lbs	38.7	0.4	35.7	0.5	S	S	49.0
100,000 lbs or more	S	S	S	S	S	S	31.1

SCTG 25, Logs and other wood in the rough

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	S	S	S	S	S	S	S
Less than 50 lbs	–	–	–	–	–	–	–
50 to 99 lbs	–	–	–	–	–	–	–
100 to 499 lbs	S	S	S	S	S	S	30.1
500 to 749 lbs	S	S	S	S	S	S	30.1
750 to 999 lbs	S	S	S	S	S	S	31.6
1,000 to 9,999 lbs	S	S	S	S	S	S	28.1
10,000 to 49,999 lbs	S	S	S	S	S	S	S
50,000 to 99,999 lbs	S	S	S	S	S	S	S
100,000 lbs or more	S	S	S	S	S	S	31.6

SCTG 26, Wood products

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	10.0	–	44.0	–	35.6	–	18.1
Less than 50 lbs	S	S	41.9	–	39.7	–	38.3
50 to 99 lbs	S	S	44.9	–	S	S	28.8
100 to 499 lbs	33.1	0.9	27.8	0.1	30.6	0.1	43.6
500 to 749 lbs	35.0	0.4	23.7	–	S	S	30.8
750 to 999 lbs	36.9	0.5	33.6	0.1	S	S	29.5
1,000 to 9,999 lbs	21.7	2.9	20.4	2.3	26.8	1.0	44.3
10,000 to 49,999 lbs	11.8	4.5	16.9	11.6	16.3	10.0	12.7
50,000 to 99,999 lbs	41.9	3.5	S	S	S	S	36.5
100,000 lbs or more	S	S	S	S	S	S	S

SCTG 27, Pulp, newsprint, paper, and paperboard

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	23.0	–	24.6	–	24.7	–	9.9
Less than 50 lbs	44.2	1.0	36.8	–	31.7	–	21.4
50 to 99 lbs	34.3	0.4	28.2	–	29.4	–	18.5
100 to 499 lbs	27.7	0.8	27.0	0.2	S	S	19.6
500 to 749 lbs	44.8	0.5	45.4	0.2	S	S	23.2
750 to 999 lbs	S	S	S	S	S	S	23.1
1,000 to 9,999 lbs	36.0	3.1	36.7	1.7	44.9	2.0	12.7
10,000 to 49,999 lbs	27.3	4.7	27.4	6.5	31.0	6.6	11.5
50,000 to 99,999 lbs	S	S	S	S	S	S	26.7
100,000 lbs or more	S	S	S	S	43.8	7.0	23.6

SCTG 28, Paper or paperboard articles

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	24.3	–	24.7	–	21.8	–	31.4
Less than 50 lbs	44.1	0.6	35.7	0.3	30.3	–	47.6
50 to 99 lbs	41.0	0.6	48.1	0.5	29.4	–	S
100 to 499 lbs	38.1	1.8	31.7	1.6	32.4	0.5	35.0
500 to 749 lbs	42.5	0.4	36.9	0.1	36.2	0.1	S
750 to 999 lbs	48.4	0.5	41.5	0.4	38.9	0.3	S
1,000 to 9,999 lbs	26.0	4.0	31.1	4.4	33.9	3.8	31.3
10,000 to 49,999 lbs	25.8	5.6	25.2	6.1	22.2	4.2	16.5
50,000 to 99,999 lbs	–	–	–	–	–	–	–
100,000 lbs or more	–	–	–	–	–	–	–

SCTG 29, Printed products

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	31.4	–	19.3	–	25.9	–	16.8
Less than 50 lbs	S	S	S	S	S	S	17.6
50 to 99 lbs	29.1	1.4	28.9	1.3	S	S	39.4
100 to 499 lbs	23.5	3.2	31.4	2.4	31.4	1.5	35.8
500 to 749 lbs	34.2	0.4	49.1	0.5	S	S	38.6
750 to 999 lbs	27.5	0.4	36.9	0.3	48.4	0.3	26.0
1,000 to 9,999 lbs	31.1	6.6	32.7	6.4	44.7	9.2	14.0
10,000 to 49,999 lbs	36.3	5.1	34.0	7.8	37.4	9.3	10.5
50,000 to 99,999 lbs	S	S	S	S	46.1	0.3	S
100,000 lbs or more	S	S	S	S	S	S	31.6

SCTG 30, Textiles, leather, and articles of textiles or leather

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	20.2	–	12.8	–	11.1	–	7.6
Less than 50 lbs	22.8	0.7	21.2	0.2	20.4	0.2	8.1
50 to 99 lbs	30.7	0.2	27.3	0.1	35.0	0.2	9.9
100 to 499 lbs	29.3	1.3	27.7	0.6	29.6	1.0	6.3
500 to 749 lbs	39.1	0.5	26.6	0.4	26.4	0.4	12.8
750 to 999 lbs	48.8	0.9	35.4	0.6	30.2	0.5	17.6
1,000 to 9,999 lbs	32.8	3.4	19.3	2.7	20.5	3.1	14.6
10,000 to 49,999 lbs	8.2	4.7	13.8	4.0	9.8	5.0	6.9
50,000 to 99,999 lbs	36.1	–	25.2	0.1	39.3	–	19.9
100,000 lbs or more	S	S	S	S	S	S	29.9

SCTG 31, Nonmetallic mineral products

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	40.3	–	35.5	–	39.9	–	32.3
Less than 50 lbs	S	S	S	S	S	S	S
50 to 99 lbs	S	S	S	S	S	S	S
100 to 499 lbs	40.1	3.6	37.2	0.9	S	S	S
500 to 749 lbs	39.9	1.5	44.9	0.4	S	S	S
750 to 999 lbs	39.5	0.3	47.8	–	24.1	–	S
1,000 to 9,999 lbs	33.5	5.8	40.2	0.8	S	S	S
10,000 to 49,999 lbs	S	S	36.5	7.6	45.1	8.2	S
50,000 to 99,999 lbs	S	S	44.4	8.8	S	S	47.9
100,000 lbs or more	44.8	0.4	S	S	S	S	47.1

SCTG 32, Base metal in primary or semifinished forms and in finished basic shapes

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	27.0	–	22.4	–	28.0	–	24.6
Less than 50 lbs	37.5	1.9	26.9	–	37.2	–	37.7
50 to 99 lbs	33.3	1.9	34.5	0.1	34.7	0.1	32.9
100 to 499 lbs	33.2	2.3	40.4	0.7	38.0	0.5	38.1
500 to 749 lbs	S	S	44.3	0.3	S	S	23.3
750 to 999 lbs	44.7	0.8	43.1	0.2	46.5	0.2	28.7
1,000 to 9,999 lbs	28.8	4.2	31.7	4.3	37.5	2.7	25.2
10,000 to 49,999 lbs	36.7	6.5	25.7	5.2	31.2	5.2	10.6
50,000 to 99,999 lbs	34.7	0.4	27.7	1.0	22.1	1.3	28.2
100,000 lbs or more	33.5	0.7	32.8	4.4	33.8	5.9	22.2

SCTG 33, Articles of base metal

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	18.3	–	30.1	–	32.7	–	14.9
Less than 50 lbs	26.1	2.7	38.2	0.4	40.2	0.9	18.3
50 to 99 lbs	S	S	S	S	S	S	18.5
100 to 499 lbs	35.6	2.5	S	S	S	S	14.0
500 to 749 lbs	29.3	0.4	38.1	0.6	33.5	0.7	46.3
750 to 999 lbs	S	S	S	S	46.9	1.0	16.6
1,000 to 9,999 lbs	27.6	4.0	48.2	6.3	S	S	17.6
10,000 to 49,999 lbs	27.6	7.1	46.4	8.2	31.9	8.9	28.3
50,000 to 99,999 lbs	S	S	S	S	S	S	35.1
100,000 lbs or more	S	S	S	S	S	S	31.6

SCTG 34, Machinery

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	4.9	–	9.2	–	14.1	–	12.5
Less than 50 lbs	24.4	3.0	21.2	0.4	26.9	0.2	15.4
50 to 99 lbs	22.5	1.0	19.5	0.4	34.3	0.1	33.0
100 to 499 lbs	20.3	2.0	20.8	1.5	28.0	0.7	22.7
500 to 749 lbs	37.1	2.2	47.4	2.7	19.0	0.8	44.2
750 to 999 lbs	41.6	0.8	34.0	0.6	33.2	0.3	39.8
1,000 to 9,999 lbs	14.7	3.2	20.2	3.9	13.1	3.4	9.3
10,000 to 49,999 lbs	12.1	5.3	16.3	5.1	17.0	4.0	6.6
50,000 to 99,999 lbs	46.1	1.0	45.2	2.0	S	S	21.7
100,000 lbs or more	S	S	S	S	S	S	28.6

SCTG 35, Electronic and other electrical equipment and components and office equipment

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	17.1	–	12.3	–	13.2	–	10.6
Less than 50 lbs	17.5	1.9	24.3	0.6	18.2	0.4	16.0
50 to 99 lbs	21.5	0.6	26.4	0.3	34.9	0.4	14.0
100 to 499 lbs	21.5	2.5	44.2	3.0	S	S	10.3
500 to 749 lbs	20.7	0.9	21.2	0.8	30.3	0.7	19.5
750 to 999 lbs	21.7	0.6	35.1	1.0	S	S	17.2
1,000 to 9,999 lbs	33.3	4.3	18.5	3.1	15.1	3.0	11.1
10,000 to 49,999 lbs	12.7	4.7	18.0	5.6	17.1	5.8	13.4
50,000 to 99,999 lbs	S	S	48.7	0.4	44.7	0.2	48.2
100,000 lbs or more	S	S	37.8	0.8	45.0	0.8	24.2

SCTG 36, Motorized and other vehicles (including parts)

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	19.4	–	23.6	–	35.1	–	38.6
Less than 50 lbs	42.7	2.6	43.0	1.5	47.5	0.5	41.5
50 to 99 lbs	41.4	1.0	32.5	0.3	S	S	S
100 to 499 lbs	44.5	2.8	48.2	1.5	47.5	1.0	22.4
500 to 749 lbs	S	S	37.7	0.9	S	S	27.5
750 to 999 lbs	S	S	S	S	S	S	S
1,000 to 9,999 lbs	34.7	4.9	31.7	3.6	47.7	7.5	29.1
10,000 to 49,999 lbs	20.1	3.0	24.3	4.1	35.8	8.7	16.3
50,000 to 99,999 lbs	43.1	2.7	S	S	S	S	26.6
100,000 lbs or more	–	–	–	–	–	–	–

SCTG 37, Transportation equipment, nec

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	44.6	–	S	S	S	S	20.3
Less than 50 lbs	46.3	12.7	S	S	S	S	22.0
50 to 99 lbs	S	S	S	S	S	S	32.0
100 to 499 lbs	45.8	2.4	39.3	6.1	S	S	27.1
500 to 749 lbs	S	S	S	S	S	S	28.9
750 to 999 lbs	S	S	S	S	S	S	31.1
1,000 to 9,999 lbs	S	S	S	S	S	S	27.3
10,000 to 49,999 lbs	S	S	S	S	S	S	31.6
50,000 to 99,999 lbs	–	–	–	–	–	–	–
100,000 lbs or more	S	S	S	S	S	S	31.6

SCTG 38, Precision instruments and apparatus

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	35.6	–	43.3	–	S	S	28.8
Less than 50 lbs	22.5	7.9	32.6	6.4	36.8	5.2	30.4
50 to 99 lbs	S	S	S	S	26.4	3.0	S
100 to 499 lbs	44.8	6.3	S	S	S	S	S
500 to 749 lbs	S	S	S	S	48.4	4.0	S
750 to 999 lbs	S	S	S	S	S	S	S
1,000 to 9,999 lbs	43.9	5.8	S	S	S	S	20.7
10,000 to 49,999 lbs	S	S	S	S	S	S	29.8
50,000 to 99,999 lbs	–	–	–	–	–	–	–
100,000 lbs or more	–	–	–	–	–	–	–

SCTG 39, Furniture, mattresses and mattress supports, lamps, lighting fittings, and

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	18.3	–	13.9	–	14.3	–	11.6
Less than 50 lbs	31.9	0.6	34.2	0.2	23.4	0.1	21.8
50 to 99 lbs	S	S	40.5	0.3	38.1	0.6	8.8
100 to 499 lbs	29.7	4.2	22.5	2.7	26.1	4.4	11.8
500 to 749 lbs	38.0	3.2	26.0	1.3	27.4	1.6	17.3
750 to 999 lbs	29.9	1.0	24.0	0.8	24.9	1.1	13.1
1,000 to 9,999 lbs	14.0	3.7	16.9	3.7	21.2	5.0	14.3
10,000 to 49,999 lbs	31.1	3.9	26.5	4.5	31.0	6.5	12.6
50,000 to 99,999 lbs	–	–	–	–	–	–	–
100,000 lbs or more	S	S	S	S	S	S	31.6

SCTG 40, Miscellaneous manufactured products

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	14.2	–	29.9	–	22.2	–	7.4
Less than 50 lbs	14.4	1.6	17.5	0.4	18.4	0.6	6.9
50 to 99 lbs	15.9	0.5	20.7	0.2	21.0	0.3	8.5
100 to 499 lbs	16.2	2.2	19.8	0.9	23.6	1.3	9.5
500 to 749 lbs	24.2	1.0	31.8	0.4	25.4	0.6	13.7
750 to 999 lbs	41.8	0.6	S	S	38.8	0.4	47.9
1,000 to 9,999 lbs	25.6	4.8	26.0	7.1	47.8	8.0	16.8
10,000 to 49,999 lbs	24.4	5.6	40.6	10.2	29.5	7.4	20.5
50,000 to 99,999 lbs	34.6	0.4	S	S	S	S	26.1
100,000 lbs or more	S	S	46.9	8.2	46.8	0.7	41.7

SCTG 41, Waste and scrap

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	S	S	44.2	–	45.8	–	36.8
Less than 50 lbs	–	–	–	–	–	–	–
50 to 99 lbs	–	–	–	–	–	–	–
100 to 499 lbs	–	–	–	–	–	–	–
500 to 749 lbs	–	–	–	–	–	–	–
750 to 999 lbs	–	–	–	–	–	–	–
1,000 to 9,999 lbs	S	S	S	S	S	S	30.2
10,000 to 49,999 lbs	S	S	44.1	7.6	S	S	35.3
50,000 to 99,999 lbs	37.8	4.3	S	S	S	S	S
100,000 lbs or more	S	S	S	S	S	S	S

SCTG 43, Mixed freight

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	12.7	–	21.5	–	19.4	–	22.5
Less than 50 lbs	37.8	0.8	33.6	–	45.5	0.3	26.5
50 to 99 lbs	39.1	0.5	49.5	0.4	19.8	–	S
100 to 499 lbs	23.1	1.0	18.7	0.4	15.4	0.3	26.7
500 to 749 lbs	29.9	0.4	22.5	0.2	27.8	0.3	20.0
750 to 999 lbs	33.3	0.7	15.8	0.1	45.2	0.4	43.4
1,000 to 9,999 lbs	26.0	4.7	44.6	5.6	S	S	6.4
10,000 to 49,999 lbs	17.4	5.1	26.0	5.8	23.0	6.2	8.3
50,000 to 99,999 lbs	38.0	0.1	35.6	0.5	49.4	0.5	25.6
100,000 lbs or more	S	S	S	S	S	S	28.3

Commodity unknown

Shipment Weight	Value		Tons		Ton-miles		CV of average miles per shipment
	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent
All shipment sizes	39.3	–	S	S	S	S	33.4
Less than 50 lbs	25.8	6.4	37.0	0.3	35.2	1.9	S
50 to 99 lbs	S	S	S	S	46.1	0.6	S
100 to 499 lbs	41.1	8.6	45.7	1.9	46.6	4.9	39.1
500 to 749 lbs	S	S	S	S	S	S	29.9
750 to 999 lbs	S	S	S	S	S	S	30.8
1,000 to 9,999 lbs	38.7	2.7	47.2	5.8	49.7	3.3	22.3
10,000 to 49,999 lbs	S	S	31.9	16.5	37.3	19.6	S
50,000 to 99,999 lbs	S	S	S	S	S	S	43.7
100,000 lbs or more	S	S	S	S	S	S	31.6

KEY:
– Represents data cell equal to zero or less than 1 unit of measure.
S Estimate does not meet publication standards because of high sampling variability or poor response quality.
CV Coefficient of variation of number

NOTE: The Introduction and appendixes give information onf confidentiality protection, sampling error, nonsampling error, sample design, and definitions. Links to this information on the Internet may be found at www.census.gov/cfs.

SOURCE: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, Individual State Data, December 2004.