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KEY: SCTG = Standard Classification of Transported Goods; P = preliminary; n.e.c. = not elsewhere classified. (1) Mixed freight shipments include: supplies and food for restaurants and fast food chains, items (including food) for grocery and convenience stores, hardware or plumbing supplies (not elsewhere classified), office supplies, and miscellaneous. 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.
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