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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tube mills | $5,277,961 | $9,791,294 | $18,046,877 | $18,744,059 | $59,434,938 | $106,603,999 | $60,978,603 |
| Metal-rolling mills, hot/combination hot & cold | $8,217,193 | $51,661,305 | $34,819,079 | $156,148,534 | $165,763,525 | $66,753,942 | $51,202,454 |
| Metal-rolling mills, cold | $2,868,993 | $19,831,867 | $5,326,249 | $14,348,204 | $25,606,071 | $58,870,277 | $28,712,767 |
| Rolls for rolling mills | $43,906,076 | $91,433,803 | $96,666,756 | $133,714,726 | $171,058,082 | $105,530,836 | $154,781,138 |
| Parts of metal-rolling mills, other than rolls | $45,597,694 | $56,976,531 | $124,747,196 | $216,893,967 | $188,868,342 | $114,598,557 | $154,676,623 |
| Total | $105,867,917 | $229,694,800 | $279,606,157 | $539,849,490 | $610,730,958 | $452,357,611 | $450,351,585 |
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