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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tube mills | $114,473 | $1,737,678 | $4,127,183 | $324,168 | $133,244 | $165,685 | $27,138,365 |
| Metal-rolling mills, hot/combination hot & cold | $1,246,762 | $630,285 | $13,117,223 | $4,007,893 | $3,046,565 | $2,301,027 | $2,380,729 |
| Metal-rolling mills, cold | $620,892 | $357,831 | $498,227 | $225,444 | $1,336,602 | $754,196 | $2,319,506 |
| Rolls for rolling mills | $81,508,589 | $74,276,951 | $104,041,528 | $114,980,853 | $81,260,707 | $64,172,944 | $83,580,152 |
| Parts of metal-rolling mills, other than rolls | $16,190,480 | $18,967,560 | $63,727,718 | $76,689,266 | $56,927,048 | $22,307,769 | $28,595,187 |
| Total | $99,681,196 | $95,970,305 | $185,511,879 | $196,227,624 | $142,704,166 | $89,701,621 | $144,013,939 |
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