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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tube mills | $1,523,098 | $44,026 | $479,869 | $69,445 | $903,168 | $1,438,808 | |
| Metal-rolling mills, hot/combination hot & cold | $101,055 | $141,108 | $393,815 | $3,373 | $599,521 | $56,500 | $428,692 |
| Metal-rolling mills, cold | $1,307,376 | $1,249,327 | $2,341,385 | $263,618 | $1,368,265 | $35,897 | $36,938 |
| Rolls for rolling mills | $16,346,541 | $24,984,520 | $34,370,762 | $53,583,834 | $33,282,179 | $43,469,193 | $35,618,815 |
| Parts of metal-rolling mills, other than rolls | $969,418 | $1,707,604 | $6,491,309 | $9,044,692 | $13,038,309 | $1,525,557 | $1,883,252 |
| Total | $20,247,488 | $28,126,585 | $44,077,140 | $62,964,962 | $49,191,442 | $46,525,955 | $37,967,697 |
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