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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Non-electrical arts. of graphite/oth. carbon | $2,678,966 | $2,731,394 | $3,134,387 | $7,032,363 | $4,939,902 | $3,471,685 | $10,322,914 |
| Articles of peat | $9,591 | $2,744 | $2,333 | $7,376 | $197 | $3,454 | $4,648 |
| Articles of stone/of oth. min. subs., n.e.s. (excl. of 6815.10-6815.91) | $200,161 | $172,803 | $478,107 | $1,187,031 | $490,456 | $1,318,340 | $1,389,262 |
| Total | $2,888,718 | $2,906,941 | $3,614,827 | $8,226,770 | $5,430,555 | $4,793,479 | $11,716,824 |
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