(Commodity Flow Survey Data Only)
NOTE: Higher value goods were valued at over $1,000 per ton and include pharmaceutical products, electronic and other electricals, transportation equipment, precision instruments, tobacco products, textile and leather products, and motorized vehicles. Lower value goods were valued under $1,000 per ton in 2002 and include milled grains, food and related products, chemical products, metal products, wood products, minerals and metallic products, fertilizers and coal.
The data in this figure exclude the Bureau of Transportation Statistics estimates of out-of-scope missing pieces.
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, based on 1993, 1997, and preliminary 2002 Commodity Flow Survey data.