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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tube mills | | $1,444,520 | $5,770,199 | $55,391,522 | $47,477,578 | $7,388,895 | $251,960 |
| Metal-rolling mills, hot/combination hot & cold | $3,285,308 | $8,259,096 | $7,300,644 | $826,347 | $499,798 | $44,317 | $402,364 |
| Metal-rolling mills, cold | $1,714,933 | $17,794,020 | $3,216,515 | $2,634,656 | $2,410,478 | $1,208,239 | $2,683,154 |
| Rolls for rolling mills | $10,737,597 | $17,014,079 | $23,438,064 | $35,004,326 | $31,065,450 | $15,255,279 | $15,700,120 |
| Parts of metal-rolling mills, other than rolls | $1,673,619 | $18,963,269 | $64,786,735 | $26,578,829 | $87,133,685 | $8,507,015 | $11,242,342 |
| Total | $17,411,457 | $63,474,984 | $104,512,157 | $120,435,680 | $168,586,989 | $32,403,745 | $30,279,940 |
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