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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tube mills | $425,744 | $286,101 | $1,243,258 | $1,347 | | | |
| Metal-rolling mills, hot/combination hot & cold | $78,253 | $64,929 | $164,413 | | $2,966,438 | $18,368 | $437,371 |
| Metal-rolling mills, cold | $60,691 | $60,041 | $16,395 | $116,862 | $22,210 | $21,969 | $56,660 |
| Rolls for rolling mills | $33,381,744 | $40,793,413 | $47,596,383 | $67,610,343 | $51,414,267 | $61,624,000 | $63,832,997 |
| Parts of metal-rolling mills, other than rolls | $8,885,490 | $11,426,488 | $10,144,925 | $18,523,551 | $27,059,477 | $8,714,593 | $8,213,735 |
| Total | $42,831,922 | $52,630,972 | $59,165,374 | $86,252,103 | $81,462,392 | $70,378,930 | $72,540,763 |
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