US Table 12 ,,,,,,,,,,,,,
"Shipment Characteristics by Commodity Group for the United States: 2002 and 1997
",,,,,,,,,,,,,
"[Estimates are based on data from the 2002, 1997, and 1993 Commodity Flow Surveys. Because of rounding, estimates may not be additive]
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SCTG code,Commodity description,Value,,,Tons,,,Ton-miles (1),,,Average miles per shipment,,
,,"2002 
(million $)","1997 
(million $)","Percent 
change","2002 
(thousands)","1997 
(thousands)","Percent 
change","2002 
(millions)","1997 
(millions)","Percent 
change",2002,1997,"Percent 
change"
—,Total (2),"8,397,210","6,859,805",22.4,"11,667,919","10,566,330",10.4,"3,137,898","2,592,590",21.0,546,486,12.5
01–05,Agriculture products and fish,"444,162","418,841",6.0,"1,138,883","995,653",14.4,"467,698","365,943",27.8,320,284,12.8
06–09,"Grains, alcohol, and tobacco products","647,799","599,560",8.0,"652,039","584,640",11.5,"237,285","201,397",17.8,159,118,34.3
10–14,"Stones, non-metallic minerals, and metallic ores","43,626","42,426",2.8,"2,644,812","2,597,744",1.8,"257,045","219,655",17.0,51,58,–11.6
15–19,Coal and petroleum products,"500,530","411,732",21.6,"3,300,413","3,039,184",8.6,"951,964","774,609",22.9,65,57,14.7
20–24, Pharmaceutical and chemical products,"1,219,093","899,023",35.6,"882,195","706,561",24.9,"349,388","299,679",16.6,500,490,2.2
25–30,"Logs, wood products, and textile and leather","971,432","911,224",6.6,"701,145","638,905",9.7,"278,286","251,275",10.7,759,644,17.8
31–34,Base metal and machinery,"1,128,507","1,038,943",8.6,"1,475,868","1,402,219",5.3,"334,481","284,197",17.7,363,369,–1.7
35–38,"Electronic, motorized vehicles, 
and precision instruments","2,019,435","1,723,322",17.2,"219,384","146,057",50.2,"103,858","78,828",31.8,671,538,24.7
39–43,Furniture and miscellaneous manufactured products,"1,405,394","778,478",80.5,"628,914","420,432",49.6,"149,004","108,696",37.1,663,743,–10.8
—,Commodity Unknown,"17,229","36,257",–52.5,"24,266","34,935",–30.5,"8,889","8,311",7.0,485,485,–
"
KEY: 
— Represents data cell equal to zero or less than 1 unit of measure.  
S Estimate does not meet publication standards because of high sampling variability or poor response quality.  ",,,,,,,,,,,,,
"(1) Ton–miles estimates are based on estimated distances traveled along a modeled transportation network. See ""Mileage Calculations"" section for additional information.  
(2) Estimates for pipeline exclude shipments of crude petroleum.",,,,,,,,,,,,,
"NOTES: Value–of–shipments estimates have not been adjusted for price changes. Appendix B tables provide estimated measures of sampling variability. The Introduction and appendixes give information on confidentiality protection, sampling error, nonsampling error, sample design, and definitions. Links to this information on the Internet may be found at www.census.gov/cfs. 
Coverage for the 2002 Commodity Flow Survey (CFS) differs from the previous surveys due to a change from the 1987 Standard Industrial Classification System to the 1997 North American Industry Classification System and other survey improvements. Therefore, data users are urged to use caution when comparing 2002 CFS estimates with estimates from prior years.",,,,,,,,,,,,,
"SOURCE:  Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, United States Data, December 2004.",,,,,,,,,,,,,

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