|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Non-electrical arts. of graphite/oth. carbon | $25,014,000 | $55,254,000 | $111,718,000 | $145,365,000 | $110,070,000 | $78,973,000 | $102,118,000 |
| Articles of peat | | $270,000 | | | $424,000 | $973,000 | $1,101,000 |
| Articles of stone/of oth. min. subs., n.e.s. (excl. of 6815.10-6815.91) | $7,383,000 | $6,921,000 | | | $4,379,000 | $1,547,000 | $949,000 |
| Total | $32,397,000 | $62,445,000 | $111,718,000 | $145,365,000 | $114,873,000 | $81,493,000 | $104,168,000 |
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