Table 4c. Shipment Characteristics by Shipment Weight: Percent of Total for 2007 and 2002

Table 4c. Shipment Characteristics by Shipment Weight: Percent of Total for 2007 and 2002

[Estimates are based on the 2007 and 2002 Commodity Flow Surveys. Because of rounding, estimates may not be additive]

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Shipment Weight Value (percent) Tons (percent) Ton-miles1 (percent) Value Standard Error % Tons Standard Error % Ton-miles Standard Error %
2007 2002 2007 2002 2007 2002 2007 2002 2007 2002 2007 2002
All shipment sizes 100 100 100 100 100 100 - - - - - -
Less than 50 lbs 12.7 11.8 0.2 0.2 0.5 0.3 0.3 0.3 - - - -
50 to 99 lbs 3.3 3.5 0.1 0.1 0.2 0.2 0.1 0.2 - - - -
100 to 499 lbs 9.4 9.7 0.8 0.7 0.8 0.7 0.2 0.3 - - - -
500 to 749 lbs 2.7 2.9 0.4 0.3 0.3 0.3 - 0.1 - - - -
750 to 999 lbs 1.9 2.2 0.3 0.3 0.3 0.2 0.1 - - - - -
1,000 to 9,999 lbs 20.4 21.2 5.7 5.3 5.0 4.9 0.4 0.3 0.1 0.1 0.2 0.2
10,000 to 49,999 lbs 34.1 36.6 42.0 38.2 29.4 28.1 0.5 0.5 0.4 0.8 0.9 0.9
50,000 to 99,999 lbs 5.9 4.6 18.7 18.3 6.4 6.0 0.2 0.2 0.5 0.5 0.2 0.3
100,000 lbs or more 9.7 7.4 31.9 36.6 57.2 59.2 0.4 0.5 0.6 1 1.3 1.3

KEY: - = Zero or Less than half the unit shown; thus, it has been rounded to zero.

1 Ton-miles estimates are based on estimated distances traveled along a modeled transportation network.

NOTES: Value-of-shipment estimates are reported in current prices. More information on sampling error, confidentiality protection, nonsampling error, sample design, and definitions may be found at http://www.bts.gov/cfs.

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 Economic Census: Transportation Commodity Flow Survey, December 2009.