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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast arts. of non-malleable cast iron, n.e.s. | $758,495 | $506,073 | $1,513,153 | $723,097 | $243,429 | $354,399 | $595,280 |
| Grinding balls & sim. cast arts. for mills, of iron/steel | $892,965 | $2,664,622 | $4,838,176 | $4,881,284 | $7,267,852 | $8,378,316 | $13,478,340 |
| Cast arts. of iron (excl. non-malleable cast iron)/steel, n.e.s. | $238,455 | $866,058 | $1,396,092 | $3,043,570 | $886,719 | $1,099,457 | $1,737,529 |
| Total | $1,889,915 | $4,036,753 | $7,747,421 | $8,647,951 | $8,398,000 | $9,832,172 | $15,811,149 |
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