Table B-7. Estimated Measures of Reliability for Shipment Characteristics by Two-Digit Commodity and Mode of Transportation for the United States: 2002

[Estimates are based on data from the 2002 Commodity Flow Survey]

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Table B-5a. Estimated Measures of Reliability for Shipment Characteristics by Two-Digit Commodity for the United States: 2002

[Estimates are based on data from the 2002 Commodity Flow Survey]

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Table 4e. Shipment Characteristics by Shipment Weight: Percent of Total for 2002, 1997 and 1993

[Estimates are based on the 2002, 1997, and 1993 Commodity Flow Surveys. Because of rounding, estimates may not be additive]

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Table 10b. Shipments by Two-Digit Commodity and Shipment Size by Distance: 2002

[Estimates are based on data from the 2002 Commodity Flow Survey. Because of rounding, estimates may not be additive]

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Table B-2c. Estimated Measures of Reliability for Shipment Characteristics by Total Modal Activity for the United States: 2002 and 1993

[Estimates are shown as percents and are based on data from the 2002 and 1993 Commodity Flow Surveys]

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Table 13. Shipment Characteristics by Four-Digit Commodity: 2002

[Estimates are based on data from the 2002 Commodity Flow Survey. Because of rounding, estimates may not be additive]

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Table 11b. Shipment Characteristics by Mode of Transportation for the United States: 2002 and 1993

[Estimates are based on data from the 2002 and 1993 Commodity Flow Surveys. Because of rounding, estimates may not be additive]

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Discussion of Survey Changes and Comparing Estimates

The following tables provide comparisons of the 2002, 1997, and 1993 Commodity Flow Survey (CFS) estimates.

Data users are urged to use caution in comparing estimates from different survey years due to the changes that have occurred...

Table B-3d. Estimated Standard Error of Percentage for Shipment Characteristics by Distance Shipped: Annualized Growth Rate for 1997-2002 and 1993-2002

[Estimates are shown as percents and are based on data from the 2002, 1997, and 1993 Commodity Flow Surveys]

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Table B-2d. Estimated Standard Errors for Shipment Characteristics by Total Modal Activity for the United States: Annualized Growth Rate for 1997 to 2002 and 1993 to 2002

[Estimates are shown as percents and are based on data from the 2002, 1997, and 1993 Commodity Flow Surveys]