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| Commodity | 2005 | 2007 | 2008 |
| Non-electrical arts. of graphite/oth. carbon | $129,863 | $795,774 | $867,338 |
| Articles of peat | $235,283 | $51,336 | $389,470 |
| Articles cont. magnesite/dolomite/chromite | | $73,313 | $138,721 |
| Articles of stone/of oth. min. subs., n.e.s. (excl. of 6815.10-6815.91) | $314,405 | $807,553 | $495,330 |
| Total | $679,551 | $1,727,976 | $1,890,859 |
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