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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Tube mills | $772,627 | $11,944,305 | $9,972,044 | $7,267,042 | $1,748,181 | $695,378 |
| Metal-rolling mills, hot/combination hot & cold | $136,923 | $2,537,947 | $10,694,335 | $4,576,184 | $223,055 | $2,148,361 |
| Metal-rolling mills, cold | $1,058,143 | $1,695,970 | $1,205,276 | $6,465,244 | $378,117 | $2,356,449 |
| Rolls for rolling mills | $33,646,959 | $41,163,095 | $71,196,203 | $73,438,026 | $55,316,644 | $34,136,870 |
| Parts of metal-rolling mills, other than rolls | $28,561,451 | $119,054,412 | $66,966,266 | $67,269,561 | $27,045,819 | $14,523,551 |
| Total | $64,176,103 | $176,395,729 | $160,034,124 | $159,016,057 | $84,711,816 | $53,860,609 |
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