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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $20,655,824 | $38,171,776 | $42,255,757 | $49,960,352 | $48,176,860 | $66,907,067 | $87,850,095 |
| Carbon electrodes, other than of a kind used for furnaces | $4,783,511 | $9,937,955 | $17,297,264 | $92,908,781 | $48,226,492 | $102,953,695 | $142,218,921 |
| Carbon brushes | $3,942,702 | $6,889,492 | $4,965,139 | $6,968,302 | $6,160,036 | $8,103,230 | $11,988,137 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $2,431,497 | $2,990,488 | $3,328,069 | $5,002,219 | $8,368,155 | $9,771,890 | $13,780,337 |
| Total | $31,813,534 | $57,989,711 | $67,846,229 | $154,839,654 | $110,931,543 | $187,735,882 | $255,837,490 |
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