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Table 6b Weight of Freight Shipments by Two-Digit Commodity: 1993, 1997, and 2002
Weight of Freight Shipments by Two-Digit Commodity: 1993, 1997, and 2002
(Commodity Flow Survey data only)
|SCTG||Commodity description||Weight (millions tons)||Percentage of total|
|1993||1997||2002 (P)||1993||1997||2002 (P)|
|Ranked by 2002 tonnage|
|12||Gravel and crushed stone||977||1,815||1,775||10.1||16.4||15.3|
|31||Nonmetallic mineral products||817||910||910||8.4||8.2||7.9|
|17||Gasoline and aviation turbine fuel||912||963||840||9.4||8.7||7.3|
|7||Other prepared foodstuffs and fats and oils||372||397||463||3.8||3.6||4.0|
|19||Coal and petroleum products, n.e.c.||524||475||431||5.4||4.3||3.7|
KEY: SCTG = Standard Classification of Transported Goods; P = preliminary; n.e.c. = not elsewhere classified.
NOTE: The CFS totals in this table differ from the larger BTS totals specified in the text and in tables 1, 2, and 3 because they do not include additions to account for the out of scope missing pieces and some in-scope segments that were underrepresented in the CFS, such as waterborne and pipeline shipments.
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, based on data from the 1993, 1997, and preliminary 2002 Commodity Flow Survey, January 2004.