BTS | Table B–3c. Estimated Standard Error of Percentage for Export Shipment Characteristics by Country of Destination: Percent of Total for 2002 and 1997

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BTS Home > Publications > Commodity Flow Survey > Exports

Table B–3c. Estimated Standard Error of Percentage for Export Shipment Characteristics by Country of Destination: Percent of Total for 2002 and 1997

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

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Country of destination	Value		Tons
Country of destination	Std. error of percent 2002	Std. error of percent 1997	Std. error of percent 2002	Std. error of percent 1997
Total	–	–	–	–
Canada	1.2	0.8	3.0	1.8
Mexico	1.4	2.2	1.2	1.6
All Others	1.1	2.2	2.9	2.7

KEY:
– Represents an estimate equal to zero or less than 1 unit of measure.
S Estimate does not meet publication standards because of high sampling variability or poor response quality.

NOTE: The Introduction and appendixes give information on confidentiality protection, sampling error, nonsampling error, sample design, and definitions. Links to this information on the Internet may be found at www.census.gov/cfs.

SOURCE: Research and Innovative Technologies Administration, Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, Export Data, March 2005.

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