Table B-2e. Estimated Standard Errors for Shipment Characteristics by Total Modal Activity for the United States: Percent of Total for 2002, 1997, and 1993
Table B-2e. Estimated Standard Errors for Shipment Characteristics by Total Modal Activity for the United States: Percent of Total for 2002, 1997, and 1993[Estimates are shown as percents and are based on data from the 2002, 1997, and 1993 Commodity Flow Surveys]
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