Table B-1b. Estimated Standard Error of Percentage for Shipment Characteristics by Mode of Transportation for State of Origin: Percent of Total for 2002 and 1997
Table B-1b. Estimated Standard Error of Percentage for Shipment Characteristics by Mode of Transportation for State of Origin: Percent of Total for 2002 and 1997[Estimates are based on data from the Commodity Flow Survey. Because of rounding, estimates may not be additive]
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