|
| Commodity | 2005 | 2006 | 2007 | 2009 | 2011 |
| Non-electrical arts. of graphite/oth. carbon | $6,283 | $654 | $2,952 | $20,637 | $26,909 |
| Articles cont. magnesite/dolomite/chromite | | | $2,429,260 | $862,272 | |
| Articles of stone/of oth. min. subs., n.e.s. (excl. of 6815.10-6815.91) | $18 | $28,169 | $4,893,040 | $4,777,620 | $2,514,375 |
| Total | $6,301 | $28,823 | $7,325,252 | $5,660,529 | $2,541,284 |
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