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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $2,562,072 | $5,005,131 | $7,472,660 | $8,925,302 | $7,875,820 | $6,550,144 | $7,378,040 |
| Carbon electrodes, other than of a kind used for furnaces | $671,991 | $305,712 | $517,892 | $442,865 | $13,573 | $518,297 | $4,133 |
| Carbon brushes | $146,811 | $297,882 | $1,280,841 | $1,334,657 | $804,357 | $457,420 | $1,504,829 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $117,251 | $138,053 | $2,541,852 | $2,831,923 | $125,828 | $768,595 | $28,959 |
| Total | $3,498,125 | $5,746,778 | $11,813,245 | $13,534,747 | $8,819,578 | $8,294,456 | $8,915,961 |
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