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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tube mills | $28,354,466 | $23,658,131 | $16,042,848 | $12,667,104 | $14,566,077 | $24,068,277 | $15,785,909 |
| Metal-rolling mills, hot/combination hot & cold | $37,623,446 | $8,868,783 | $13,294,783 | $14,177,217 | $25,416,303 | $14,191,179 | $12,018,840 |
| Metal-rolling mills, cold | $13,817,418 | $9,137,611 | $9,787,160 | $27,548,573 | $37,140,718 | $44,053,144 | $30,398,816 |
| Rolls for rolling mills | $186,267,594 | $229,217,196 | $272,686,445 | $331,249,640 | $323,283,773 | $346,120,476 | $321,002,568 |
| Parts of metal-rolling mills, other than rolls | $234,687,837 | $255,773,473 | $194,668,145 | $372,041,360 | $465,079,369 | $484,285,206 | $158,621,234 |
| Total | $500,750,761 | $526,655,194 | $506,479,381 | $757,683,894 | $865,486,240 | $912,718,282 | $537,827,367 |
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