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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast arts. of non-malleable cast iron, n.e.s. | $32,322 | $13,047 | $20,374 | $178,173 | $418,821 | $204,306 | $209,778 |
| Grinding balls & sim. cast arts. for mills, of iron/steel | $570,642 | $439,074 | $1,227,165 | $1,196,759 | $1,493,735 | $879,867 | $3,380,844 |
| Cast arts. of iron (excl. non-malleable cast iron)/steel, n.e.s. | $133,873 | $100,947 | $62,372 | $120,825 | $909,007 | $332,796 | $344,724 |
| Total | $736,837 | $553,068 | $1,309,911 | $1,495,757 | $2,821,563 | $1,416,969 | $3,935,346 |
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