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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tube mills | $13,667,682 | $21,420,719 | $25,721,189 | $76,657,750 | $77,288,916 | $45,730,204 | $82,897,636 |
| Metal-rolling mills, hot/combination hot & cold | $13,087,398 | $48,543,718 | $56,409,627 | $132,773,766 | $191,052,530 | $70,539,026 | $70,038,979 |
| Metal-rolling mills, cold | $22,224,201 | $42,188,268 | $68,064,935 | $128,855,247 | $96,466,840 | $107,649,374 | $108,931,605 |
| Rolls for rolling mills | $48,559,595 | $69,720,150 | $118,795,863 | $184,874,483 | $179,892,275 | $208,474,890 | $228,439,396 |
| Parts of metal-rolling mills, other than rolls | $60,097,284 | $150,909,088 | $205,937,726 | $524,269,982 | $511,612,406 | $400,028,031 | $296,115,629 |
| Total | $157,636,160 | $332,781,943 | $474,929,340 | $1,047,431,228 | $1,056,312,967 | $832,421,525 | $786,423,245 |
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