Estimates are based on data from the 2007 and 2002 Commodity Flow Surveys. Because of rounding, estimates may not be additive.
|SCTG code 1||Commodity Description||Value (percent)||Tons (percent)||Value Standard Error of %||Tons Standard Error of %|
|01-05||Agriculture products and fish||6.9||7.9||34.6||44.8||0.5||0.9||2.7||3.9|
|06-09||Grains, alcohol, and tobacco products||2.7||2.1||4||2.6||0.2||0.3||0.5||0.6|
|10-14||Stones, non-metallic minerals, and metallic ores||1.3||0.7||3.6||5.8||0.3||0.1||0.5||1.9|
|15-19||Coal and petroleum products 2||2.9||1.2||19.3||13.0||0.4||0.3||2.8||2.7|
|20-24||Pharmaceutical and chemical products||14.3||12.7||11||13.2||1||0.9||1.1||1.6|
|25-30||Logs, wood products, and textile and leather||4.7||6.3||6.9||7.0||0.4||0.5||0.6||0.8|
|31-34||Base metal and machinery||16.7||14.4||6.8||6.6||0.6||1.3||0.4||1|
|35-38||Electronic, motorized vehicles, and precision instruments||42.1||47.9||3.5||3.5||1.5||2.2||0.2||0.6|
|39-43||Furniture, mixed freight and misc. manufactured products||8.3||6.5||10.5||3.3||0.5||0.6||1.3||0.5|
KEY: S = Estimate does not meet publication standards because of high sampling variability or poor response quality. - = Zero of Less than half the unit shown; thus, it has been rounded to zero.
1 Standard Classification of Transported
2 Estimates exclude shipments of crude petroleum (SCTG 16).
NOTES: Value-of-shipment estimates have not been adjusted for price changes. More information on sampling error, confidentiality protection, nonsampling error, sample design, and definitions may be found at http://www.bts.gov/cfs.
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 2007 Economic Census: Transportation Commodity Flow Survey, December 2009.