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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast arts. of non-malleable cast iron, n.e.s. | $901 | $2,773 | $1,316 | $226 | $60,052 | $150,029 | $128,051 |
| Grinding balls & sim. cast arts. for mills, of iron/steel | $3,404,494 | $3,268,408 | $3,636,973 | $4,637,884 | $4,530,245 | $7,067,037 | $8,379,534 |
| Cast arts. of iron (excl. non-malleable cast iron)/steel, n.e.s. | $58,101 | $71,024 | $293,850 | $411,272 | $273,742 | $92,983 | $114,679 |
| Total | $3,463,496 | $3,342,205 | $3,932,139 | $5,049,382 | $4,864,039 | $7,310,049 | $8,622,264 |
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