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Table B–11c. Estimated Standard Errors for Shipment Characteristics by Mode of Transportation for the United States: Annualized Growth Rate for 1997 to 2002 and 1993 to 2002
[Estimates are based on data from the 2002, 1997, and 1993 Commodity Flow Surveys. Because of rounding, estimates may not be additive]
Excel | CSV
| Total |
0.3 |
0.1 |
0.5 |
0.3 |
0.9 |
0.4 |
0.8 |
0.4 |
| Single
modes |
0.4 |
0.2 |
0.5 |
0.3 |
0.8 |
0.4 |
1.6 |
0.8 |
| Truck |
0.4 |
0.2 |
0.6 |
0.3 |
0.7 |
0.3 |
1.0 |
0.4 |
| Rail |
1.6 |
0.7 |
1.4 |
0.7 |
1.8 |
0.8 |
1.5 |
0.7 |
| Water |
1.7 |
0.8 |
1.7 |
1.0 |
2.0 |
1.3 |
7.1 |
S |
| Air (includes truck and
air) |
2.8 |
1.0 |
2.5 |
1.7 |
3.4 |
1.6 |
1.0 |
0.5 |
| Pipeline |
2.0 |
1.0 |
2.2 |
1.1 |
S |
S |
S |
S |
| Multiple
modes |
0.8 |
0.3 |
2.5 |
1.4 |
3.9 |
2.0 |
0.7 |
0.4 |
| Parcel, U.S.P.S. or
courier |
0.8 |
0.3 |
1.1 |
0.5 |
1.2 |
0.5 |
0.7 |
0.4 |
| Truck and rail |
3.0 |
2.5 |
4.5 |
1.7 |
3.8 |
1.1 |
0.8 |
0.7 |
| Other multiple modes |
4.5 |
2.0 |
3.8 |
2.1 |
5.8 |
2.9 |
3.2 |
1.3 |
| Other
and unknown modes |
0.9 |
0.6 |
2.9 |
2.1 |
2.3 |
2.6 |
3.3 |
2.8 |
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.
NOTES: 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: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, United States Data, December 2004.
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