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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tube mills | $4,345,424 | $7,254,807 | $9,988,372 | $84,930,326 | $99,896,647 | $56,361,768 | $2,359,190 |
| Metal-rolling mills, hot/combination hot & cold | $64,022,397 | $89,787,166 | $186,531,003 | $460,812,680 | $221,924,779 | $487,380,048 | $287,199,257 |
| Metal-rolling mills, cold | $3,392,071 | $4,586,189 | $14,374,956 | $77,895,406 | $34,767,140 | $127,959,689 | $10,732,237 |
| Rolls for rolling mills | $124,114,362 | $105,946,002 | $133,563,207 | $150,801,773 | $122,937,494 | $155,933,558 | $191,839,089 |
| Parts of metal-rolling mills, other than rolls | $23,757,436 | $43,483,383 | $19,602,124 | $45,797,203 | $58,848,352 | $46,723,702 | $56,943,235 |
| Total | $219,631,690 | $251,057,547 | $364,059,662 | $820,237,388 | $538,374,412 | $874,358,765 | $549,073,008 |
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