[Estimates are shown as percents and are based on data from the 2002, 1997, and 1993 Commodity Flow Surveys]
|Shipment Weight||Value||Tons||Ton-miles||Average miles per shipment|
|1997 to 2002||1993 to 2002||1997 to 2002||1993 to 2002||1997 to 2002||1993 to 2002||1997 to 2002||1993 to 2002|
|All shipment sizes||0.3||0.1||0.5||0.3||0.9||0.4||0.8||0.4|
|Less than 50 lbs||0.6||0.2||0.7||0.5||1.0||0.6||0.8||0.4|
|50 to 99 lbs||1.2||0.5||1.0||0.6||1.7||0.7||1.3||0.6|
|100 to 499 lbs||0.8||0.4||0.7||0.4||0.8||0.3||0.9||0.4|
|500 to 749 lbs||0.8||0.4||0.7||0.4||1.1||0.5||1.0||0.4|
|750 to 999 lbs||1.0||0.6||1.0||0.5||1.4||0.3||1.4||0.5|
|1,000 to 9,999 lbs||0.7||0.3||0.5||0.3||1.0||0.4||0.9||0.4|
|10,000 to 49,999 lbs||0.5||0.2||0.8||0.3||0.6||0.2||0.6||0.3|
|50,000 to 99,999 lbs||1.1||0.5||1.0||0.6||1.1||0.5||1.0||0.5|
|100,000 lbs or more||1.6||0.8||1.0||0.5||1.5||0.7||1.2||0.5|
– 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.