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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $165,179,793 | $217,711,680 | $267,906,543 | $316,479,354 | $194,235,482 | $352,398,714 | $381,887,808 |
| Carbon electrodes, other than of a kind used for furnaces | $66,586,282 | $49,069,604 | $77,020,031 | $165,890,150 | $62,460,570 | $56,346,608 | $58,922,415 |
| Carbon brushes | $38,233,249 | $38,430,937 | $44,150,642 | $48,884,776 | $41,253,248 | $53,343,493 | $50,006,658 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $20,078,495 | $37,518,054 | $42,080,514 | $87,421,045 | $69,727,660 | $101,257,020 | $111,496,960 |
| Total | $290,077,819 | $342,730,275 | $431,157,730 | $618,675,325 | $367,676,960 | $563,345,835 | $602,313,841 |
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