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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $8,508,769 | $8,075,498 | $13,097,738 | $15,315,393 | $7,092,283 | $12,517,602 | $15,580,731 |
| Carbon electrodes, other than of a kind used for furnaces | $1,067,436 | $398,945 | $641,023 | $2,453,127 | $1,929,343 | $2,024,846 | $1,998,212 |
| Carbon brushes | $8,160,829 | $8,117,004 | $9,290,428 | $9,074,434 | $5,075,937 | $6,911,826 | $8,261,434 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $773,109 | $1,268,882 | $2,254,399 | $2,350,533 | $2,392,966 | $3,439,833 | $4,734,005 |
| Total | $18,510,143 | $17,860,329 | $25,283,588 | $29,193,487 | $16,490,529 | $24,894,107 | $30,574,382 |
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