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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Non-electrical arts. of graphite/oth. carbon | $5,881,000 | $11,941,000 | $13,193,000 | $13,131,000 | $11,799,000 | $13,770,000 | $25,183,000 |
| Articles of peat | $69,000 | $9,000 | $52,000 | $22,000 | $32,000 | $25,000 | $53,000 |
| Articles cont. magnesite/dolomite/chromite | $6,921,000 | $6,435,000 | $4,304,000 | $1,930,000 | $1,834,000 | $2,479,000 | $3,069,000 |
| Articles of stone/of oth. min. subs., n.e.s. (excl. of 6815.10-6815.91) | $3,990,000 | $4,902,000 | $11,598,000 | $9,614,000 | $3,605,000 | $4,375,000 | $3,827,000 |
| Total | $16,861,000 | $23,287,000 | $29,147,000 | $24,697,000 | $17,270,000 | $20,649,000 | $32,132,000 |
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