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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast arts. of non-malleable cast iron, n.e.s. | $3,462 | $33,805 | $36,730 | $14,991 | | $2,259 | $3,106 |
| Grinding balls & sim. cast arts. for mills, of iron/steel | $4,037,254 | $5,692,535 | $8,487,366 | $9,239,751 | $17,630,448 | $9,078,208 | $24,759,907 |
| Cast arts. of iron (excl. non-malleable cast iron)/steel, n.e.s. | $164,096 | $186,118 | $671,988 | $461,824 | $543,745 | $278,183 | $413,710 |
| Total | $4,204,812 | $5,912,458 | $9,196,084 | $9,716,566 | $18,174,193 | $9,358,650 | $25,176,723 |
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