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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $28,327,789 | $41,783,666 | $43,272,662 | $60,247,756 | $26,400,011 | $39,575,215 | $37,389,402 |
| Carbon electrodes, other than of a kind used for furnaces | $8,977,928 | $4,568,570 | $3,800,295 | $7,073,799 | $4,828,243 | $5,828,505 | $5,092,633 |
| Carbon brushes | $6,968,424 | $8,819,528 | $12,665,084 | $14,398,379 | $15,843,713 | $19,569,106 | $24,443,148 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $4,235,183 | $20,128,437 | $10,651,724 | $10,330,899 | $7,685,503 | $8,451,699 | $6,426,491 |
| Total | $48,509,324 | $75,300,201 | $70,389,765 | $92,050,833 | $54,757,470 | $73,424,525 | $73,351,674 |
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