Bureau of Transportation Statistics (BTS)
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Table B–19 - Estimated Measures of Reliability for Shipment Characteristics by Two-Digit Commodity and Distance Shipped 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

Distance Shipped 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 distances 8.0 10.4 16.9 12.4
Less than 50 miles 13.5 3.1 22.4 6.1 27.6 1.3 4.9
50 to 99 miles 29.7 2.2 23.9 2.8 27.7 1.8 2.5
100 to 249 miles 12.5 1.8 13.4 5.5 14.3 5.4 3.2
250 to 499 miles 9.1 1.7 27.6 4.8 27.9 6.1 0.7
500 to 749 miles 24.8 1.5 33.2 0.5 34.7 1.1 1.5
750 to 999 miles 13.1 0.5 28.4 35.0 0.3 0.7
1,000 to 1,499 miles 26.4 1.1 36.6 41.2 0.6 1.1
1,500 to 1,999 miles S S 29.3 30.7 0.1 1.5
2,000 miles or more 20.4 0.7 36.3 36.0 0.7 2.7

SCTG 1, Live animals and live fish

Distance Shipped 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 distances
Less than 50 miles
50 to 99 miles
100 to 249 miles
250 to 499 miles
500 to 749 miles
750 to 999 miles
1,000 to 1,499 miles
1,500 to 1,999 miles
2,000 miles or more

SCTG 2, Cereal grains

Distance Shipped 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 distances S S S S S S 31.6
Less than 50 miles
50 to 99 miles
100 to 249 miles S S S S S S 31.6
250 to 499 miles
500 to 749 miles
750 to 999 miles
1,000 to 1,499 miles
1,500 to 1,999 miles
2,000 miles or more

SCTG 3, Other agricultural products

Distance Shipped 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 distances S S S S S S 23.2
Less than 50 miles S S S S S S 26.3
50 to 99 miles S S S S S S 28.7
100 to 249 miles S S S S S S 21.6
250 to 499 miles S S S S S S 29.8
500 to 749 miles S S S S S S 29.8
750 to 999 miles
1,000 to 1,499 miles
1,500 to 1,999 miles
2,000 miles or more

SCTG 4, Animal feed and products of

Distance Shipped 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 distances 41.4 40.9 41.4 25.9
Less than 50 miles 41.4 40.9 41.4 25.9
50 to 99 miles
100 to 249 miles
250 to 499 miles
500 to 749 miles
750 to 999 miles
1,000 to 1,499 miles
1,500 to 1,999 miles
2,000 miles or more

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

Distance Shipped 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 distances 21.0 26.6 26.5 S
Less than 50 miles S S 42.8 4.3 43.1 1.0 24.1
50 to 99 miles S S 44.4 8.8 43.1 7.0 11.8
100 to 249 miles 22.7 7.4 20.8 7.4 20.4 7.3 6.4
250 to 499 miles 29.4 6.3 33.9 6.7 31.7 7.3 16.7
500 to 749 miles S S S S S S 25.9
750 to 999 miles S S S S S S 23.6
1,000 to 1,499 miles 35.7 1.7 35.8 1.5 36.2 3.8 14.9
1,500 to 1,999 miles S S S S S S 29.8
2,000 miles or more S S S S S S 23.6

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

Distance Shipped 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 distances S S S S S S 20.0
Less than 50 miles S S S S S S 25.1
50 to 99 miles S S S S S S 26.1
100 to 249 miles S S S S S S 28.0
250 to 499 miles
500 to 749 miles
750 to 999 miles
1,000 to 1,499 miles
1,500 to 1,999 miles
2,000 miles or more

SCTG 7, Other prepared foodstuffs and fats and oil

Distance Shipped 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 distances 23.6 28.3 S S 17.8
Less than 50 miles 32.0 8.7 34.0 10.4 33.0 13.7 16.9
50 to 99 miles 38.2 4.2 S S S S 11.4
100 to 249 miles 34.2 3.9 S S S S 11.9
250 to 499 miles S S S S S S 25.8
500 to 749 miles S S S S S S 29.8
750 to 999 miles S S S S S S 29.8
1,000 to 1,499 miles S S S S S S 31.6
1,500 to 1,999 miles S S S S S S 31.6
2,000 miles or more S S S S S S 29.8

SCTG 8, Alcoholic beverages

Distance Shipped 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 distances 28.9 34.4 33.5 S
Less than 50 miles 32.6 8.0 36.4 9.1 43.7 10.5 47.2
50 to 99 miles 31.8 2.8 S S 48.1 2.6 21.8
100 to 249 miles 41.6 5.6 41.7 6.1 41.5 9.9 25.8
250 to 499 miles S S S S S S 30.1
500 to 749 miles
750 to 999 miles
1,000 to 1,499 miles
1,500 to 1,999 miles
2,000 miles or more

SCTG 9, Tobacco products

Distance Shipped 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 distances 40.8 43.3 41.9 36.8
Less than 50 miles 43.0 3.4 44.8 2.6 S S 24.9
50 to 99 miles S S 49.8 4.3 49.5 4.4 21.1
100 to 249 miles S S S S S S 21.1
250 to 499 miles 45.5 4.9 47.0 4.9 46.7 5.8 25.9
500 to 749 miles 42.4 2.4 41.1 2.1 41.3 3.3 25.9
750 to 999 miles S S S S S S 27.9
1,000 to 1,499 miles S S S S S S 25.8
1,500 to 1,999 miles S S S S S S 27.9
2,000 miles or more S S S S S S 25.8

SCTG 10, Monumental or building stone

Distance Shipped 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 distances S S S S S S 31.6
Less than 50 miles
50 to 99 miles S S S S S S 31.6
100 to 249 miles
250 to 499 miles
500 to 749 miles
750 to 999 miles
1,000 to 1,499 miles
1,500 to 1,999 miles
2,000 miles or more

SCTG 11, Natural sands

Distance Shipped 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 distances 45.3 S S 45.9 24.5
Less than 50 miles S S S S S S 24.1
50 to 99 miles S S S S S S 23.8
100 to 249 miles 42.7 7.7 43.6 5.1 43.7 6.9 23.7
250 to 499 miles S S 43.0 2.0 44.5 5.8 23.7
500 to 749 miles 42.8 0.9 41.0 0.2 41.0 0.8 25.8
750 to 999 miles 40.8 0.8 41.0 0.2 41.5 1.3 25.9
1,000 to 1,499 miles S S S S S S 31.6
1,500 to 1,999 miles
2,000 miles or more

SCTG 12, Gravel and crushed stone

Distance Shipped 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 distances 20.6 23.5 33.9 21.0
Less than 50 miles 20.2 6.4 23.2 10.1 27.9 15.9 19.6
50 to 99 miles 47.1 6.5 S S S S 19.0
100 to 249 miles 49.6 0.3 S S 48.0 1.8 26.4
250 to 499 miles S S S S S S 30.2
500 to 749 miles S S S S S S 31.6
750 to 999 miles
1,000 to 1,499 miles
1,500 to 1,999 miles
2,000 miles or more

SCTG 13, Nonmetallic minerals nec

Distance Shipped 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 distances 32.1 S S 33.2 S
Less than 50 miles 37.1 10.4 S S 48.4 13.8 47.3
50 to 99 miles S S S S S S 29.8
100 to 249 miles S S S S S S 28.1
250 to 499 miles 46.5 7.5 45.1 6.5 43.5 8.3 25.9
500 to 749 miles 43.5 1.7 42.9 2.0 43.2 3.6 25.8
750 to 999 miles S S S S S S 29.8
1,000 to 1,499 miles S S S S S S 31.6
1,500 to 1,999 miles S S S S S S 31.6
2,000 miles or more

SCTG 14, Metallic ores and concentrates

Distance Shipped 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 distances S S S S S S 31.1
Less than 50 miles S S S S S S 31.6
50 to 99 miles S S S S S S 29.8
100 to 249 miles S S S S S S 29.8
250 to 499 miles S S S S S S 31.6
500 to 749 miles S S S S S S 31.6
750 to 999 miles S S S S S S 31.6
1,000 to 1,499 miles
1,500 to 1,999 miles S S S S S S 31.6
2,000 miles or more S S S S S S 31.6

SCTG 15, Coal

Distance Shipped 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 distances 15.7 15.3 20.1 41.4
Less than 50 miles 35.7 6.5 30.5 6.5 40.5 1.1 17.6
50 to 99 miles 28.4 3.5 31.0 3.8 35.7 2.3 22.2
100 to 249 miles 17.6 6.5 18.4 6.5 17.4 6.0 3.9
250 to 499 miles 27.6 5.0 29.3 5.3 29.3 6.1 7.7
500 to 749 miles S