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Table 4. Expenditures for Purchased Energy 1998, 2002, and 2006
(million constant 2000 U.S. dollars1)
  MECS Survey Years              

Iron and Steel Mills
(NAICS 2 331111)

1998

2002

2006

              
Total3
5,601
6,241
5,806
              
  Electricity
1,580
1,971
1,537
              
  Natural Gas
1,287
1,659
2,037
              
  Coal
971
994
1,010
              
  Residual Fuel
60
3
75
              
  Coke and Breeze
1,584
1,462
999
              
Notes: 1. Deflated by the chain-type price indices for iron and steel mills shipments.
2. The North American Industry Classification System (NAICS) has replaced the Standard Industrial Classification (SIC) system. NAICS 331111 includes steel works, blast furnaces (including coke ovens), and rolling mills.
3. 'Total' is the sum of all of the listed energy sources, including wood waste, hydrogen, and waste oils and tars.
Sources: Energy Information Administration, Manufacturing Energy Consumption Surveys 1998, 2002, and 2006; U.S. Department of Commerce: Bureau of Economic Analysis, Gross-Domestic-Product-by-Industry Accounts; December 2004 and December 2009.