90 Percent Confidence Intervals for 2007 Commodity Flow Survey State Summary: Iowa

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Summary	Value	Weight
Total shipments originating in Iowa	$ 142,185 - 171,655	205,484 - 276,532
Percent of total U.S. shipments	1.2 - 1.5	1.7 - 2.2

Commodity Shipments Originating in Iowa by Value

2 Digits SCTG - Commodity Desc.	Percent of value
34 Machinery	6.8 - 13.4
7 Other prepared foodstuffs and fats and oils	7.2 - 9.8
5 Meat, fish, seafood, and their preparations	6.4 - 9.0
23 Chemical products and preparations, nec	3.6 - 11.6
36 Motorized and other vehicles (including parts)	4.4 - 10.6
Other commodities	(X)
Total	(X)

Commodity Shipments Originating in Iowa by Weight

2 Digits SCTG - Commodity Desc.	Percent of weight
2 Cereal grains	14.4 - 22.4
12 Gravel and crushed stone	12.2 - 21.4
4 Animal feed and products of animal origin, nec	11.3 - 14.3
31 Nonmetallic mineral products	5.7 - 11.9
7 Other prepared foodstuffs and fats and oils	5.3 - 10.9
Other commodities	(X)
Total	(X)

Outbound Shipments for State of Iowa by Value and Weight

State of Destination	Percent of value
Iowa	31.9 - 40.8
Illinois	7.0 - 8.3
Minnesota	4.4 - 5.7
Texas	4.2 - 5.8
California	3.2 - 4.8
Nebraska	2.7 - 3.3
Other states	(X)
Total	(X)

State of Destination	Percent of weight
Iowa	56.8 - 68.7
Illinois	4.0 - 6.3
Minnesota	3.2 - 4.9
Texas	3.0 - 5.0
Nebraska	2.3 - 3.6
California	0.9 - 2.3
Other states	(X)
Total	(X)

Inbound Shipments for State of Iowa by Value and Weight

State of Origin	Percent of value
Iowa	36.4 - 43.7
Illinois	7.4 - 10.1
Minnesota	4.1 - 7.1
Wisconsin	3.8 - 4.7
Nebraska	2.8 - 4.2
Missouri	2.6 - 3.2
Other states	(X)
Total	(X)

State of Origin	Percent of weight
Iowa	61.3 - 72.5
Wyoming	5.8 - 15.4
Illinois	3.2 - 5.5
Nebraska	1.7 - 3.3
Minnesota	1.5 - 2.9
Wisconsin	0.4 - 3.1
Other states	(X)
Total	(X)

Modes of Transportation for Shipments Originating in Iowa

Mode of Transportation	Percent of value
Truck	78.8 - 82.8
Air (incl truck and air)	0.5 - 1.1
Rail	5.2 - 7.8
Water	0.2 - 1.2
Pipeline	(NA)
Multiple modes	7.5 - 10.9
Parcel, U.S.P.S. or courier	5.4 - 7.8
Other and unknown modes	1.2 - 2.8
Total	(X)

Mode of Transportation	Percent of weight
Truck	75.0 - 84.2
Air (incl truck and air)	(NA)
Rail	9.7 - 16.3
Water	1.1 - 3.7
Pipeline	(NA)
Multiple modes	1.6 - 7.6
Parcel, U.S.P.S. or courier	(NA)
Other and unknown modes	0.2 - 0.6
Total	(X)

Domestic Distance Shipped for Commodities Originating in Iowa

Distance Shipped	Percent of value
Less than 50 miles	22.5 - 30.7
50 to 99 miles	6.8 - 9.2
100 to 249 miles	16.8 - 18.8
250 to 499 miles	13.8 - 16.4
500 to 749 miles	9.1 - 11.1
750 to 999 miles	10.2 - 13.2
1,000 to 1,499 miles	6.5 - 8.5
1,500 to 1,999 miles	2.4 - 4.0
2,000 miles or more	(NA)
Total	(X)

Distance Shipped	Percent of weight
Less than 50 miles	49.0 - 60.6
50 to 99 miles	7.4 - 10.0
100 to 249 miles	10.3 - 12.7
250 to 499 miles	6.1 - 8.5
500 to 749 miles	4.1 - 7.1
750 to 999 miles	4.6 - 11.2
1,000 to 1,499 miles	2.6 - 4.2
1,500 to 1,999 miles	0.6 - 1.0
2,000 miles or more	(NA)
Total	(X)

Shipment by Industry Originating in Iowa

NAICS - Industry	Percent of value
212 Mining (except oil and gas)	0.3 - 0.3
31-33 Manufacturing	57.0 - 65.6
42 Wholesale trade	24.7 - 33.3
4541 Electronic shopping and mail-order houses	0.0 - 1.6
45431 Fuel dealers	0.0 - 2.0
4931 Warehousing and storage	3.0 - 6.0
5111 Newspaper, periodical, book, and directory publishers	0.1 - 0.5
551114 Corporate, subsidiary, and regional managing offices	2.7 - 4.7
Total	(X)

NAICS - Industry	Percent of weight
212 Mining (except oil and gas)	14.2 - 24.8
31-33 Manufacturing	34.3 - 46.9
42 Wholesale trade	31.1 - 43.1
4541 Electronic shopping and mail-order houses	(NA)
45431 Fuel dealers	0.0 - 1.7
4931 Warehousing and storage	(NA)
5111 Newspaper, periodical, book, and directory publishers	(NA)
551114 Corporate, subsidiary, and regional managing offices	0.5 - 2.1
Total	(X)

* Estimate for pipelines exclude shipments of crude petroleum.
** Multiple modes inlcudes Parcel, U.S.P.S or Courier, Truck-Rail, Truck-Water, Rail-Water and Other multiple modes
(NA): Not available
(X): Not applicable

SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 2007 Commodity Flow Survey data, March 2010.