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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Tube mills | $2,081 | $78,518 | $19,651 | $407,129 | $3,124,496 | $142,580 |
| Metal-rolling mills, hot/combination hot & cold | $51,082 | $44,960 | $69,607 | $512,981 | $8,514,001 | $36,722,355 |
| Metal-rolling mills, cold | | | $32,744 | $375,353 | $89,535 | |
| Rolls for rolling mills | | $4,520,262 | $41,649 | $1,041,010 | $7,429,119 | $1,192,307 |
| Parts of metal-rolling mills, other than rolls | $335,488 | $606,978 | $2,513,162 | $1,219,917 | $1,054,716 | $2,875,252 |
| Total | $388,651 | $5,250,718 | $2,676,813 | $3,556,390 | $20,211,867 | $40,932,494 |
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