Table B-3d. Estimated Standard Error of Percentage for Shipment Characteristics by Distance Shipped: Annualized Growth Rate for 1997-2002 and 1993-2002
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]
Distance Shipped (Based on Great Circle Distance) | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
1997 to 2002 | 1993 to 2002 | 1997 to 2002 | 1993 to 2002 | 1997 to 2002 | 1993 to 2002 | |
All distances | 0.3 | 0.1 | 0.5 | 0.3 | 0.9 | 0.4 |
Less than 50 miles | 0.4 | 0.2 | 0.8 | 0.4 | 0.9 | 0.5 |
50 to 99 miles | 0.7 | 0.2 | 1.3 | 0.6 | 1.4 | 0.7 |
100 to 249 miles | 0.7 | 0.3 | 0.7 | 0.4 | 0.8 | 0.4 |
250 to 499 miles | 0.6 | 0.3 | 0.9 | 0.4 | 1.1 | 0.5 |
500 to 749 miles | 0.8 | 0.3 | 0.9 | 0.6 | 1.0 | 0.6 |
750 to 999 miles | 0.9 | 0.4 | 1.7 | 0.7 | 1.8 | 0.8 |
1,000 to 1,499 miles | 0.9 | 0.4 | 2.7 | 1.0 | 2.8 | 1.1 |
1,500 to 1,999 miles | 1.3 | 0.5 | 1.7 | 0.8 | 1.7 | 0.9 |
2,000 miles or more | 1.6 | 0.7 | 1.0 | 1.1 | 1.1 | 1.1 |
KEY:
– Represents data cell 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 onf 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: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, United States Data, December 2004.