Data for figure 4,,,,,
Value Per Ton of Shipments by Distance Shipped: 1993 and 2002 ,,,,,
"(Commodity Flow Survey Data Only)
[Current dollars]",,,,,
Distance,Year,,,,
,1993,2002,,,
All distances,600,720,,,
Less than 100,356,435,,,
100 to 250,808,898,,,
250 to 999,"1,065","1,231",,,
"1,000 or more","1,968","2,088",,,
"
NOTE: Shipments are grouped into distance categories based on Great Circle Distance (GCD), GCD is the shortest distance between 2 points on the surface of a sphere.",,,,,
"SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, based on data from the 1993, 1997, and 2002 Commodity Flow Survey, December 2004.",,,,,