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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tube mills | $10,821 | $265,561 | $197,604 | | $2,257,342 | | $3,904,165 |
| Metal-rolling mills, hot/combination hot & cold | | $755 | $17,405 | $259,559 | | | |
| Metal-rolling mills, cold | $6,886 | $13,482 | $1,104 | $34,201 | $419,321 | $100,221 | $144,321 |
| Rolls for rolling mills | $1,339,851 | $2,807,979 | $2,920,340 | $4,115,870 | $1,921,750 | $1,438,782 | $2,331,602 |
| Parts of metal-rolling mills, other than rolls | $170,864 | $1,012,523 | $2,332,789 | $1,216,954 | $1,074,614 | $752,390 | $1,437,155 |
| Total | $1,528,422 | $4,100,300 | $5,469,242 | $5,626,584 | $5,673,027 | $2,291,393 | $7,817,243 |
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