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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Non-electrical arts. of graphite/oth. carbon | $373,619 | $355,926 | $1,211,836 | $1,384,360 | $800,635 | $396,564 | $809,120 |
| Articles cont. magnesite/dolomite/chromite | $2,495,584 | $2,211,058 | $3,510,633 | $8,696,934 | $9,568,098 | $8,254,469 | $19,600,859 |
| Articles of stone/of oth. min. subs., n.e.s. (excl. of 6815.10-6815.91) | $270,876 | $405,492 | $1,210,634 | $1,644,223 | $790,425 | $949,650 | $1,971,653 |
| Total | $3,140,079 | $2,972,476 | $5,933,103 | $11,725,517 | $11,159,158 | $9,600,683 | $22,381,632 |
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