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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Tube mills | $638,009 | $46,135 | $80,986 | $11,371,631 | $424,972 | $1,092,416 |
| Metal-rolling mills, hot/combination hot & cold | | $1,084 | $411,339 | $279,814 | $800,519 | $43,957 |
| Metal-rolling mills, cold | $16,937 | $12,676,542 | $255,197 | $5,815,939 | $9,000,669 | $1,806,834 |
| Rolls for rolling mills | $14,415,338 | $20,869,091 | $25,511,332 | $27,762,846 | $31,650,615 | $18,382,728 |
| Parts of metal-rolling mills, other than rolls | $27,510,673 | $84,069,185 | $47,697,649 | $55,215,586 | $42,058,898 | $33,134,968 |
| Total | $42,580,957 | $117,662,037 | $73,956,503 | $100,445,816 | $83,935,673 | $54,460,903 |
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