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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $127,876,712 | $113,212,473 | $165,571,242 | $248,556,293 | $216,039,897 | $253,611,118 | $212,098,357 |
| Carbon electrodes, other than of a kind used for furnaces | $6,226,075 | $7,829,214 | $8,552,671 | $6,158,741 | $3,043,916 | $5,752,030 | $8,398,417 |
| Carbon brushes | $7,776,866 | $6,720,251 | $7,430,424 | $7,582,502 | $9,579,915 | $13,183,247 | $16,317,284 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $5,162,701 | $5,995,639 | $7,060,211 | $8,203,579 | $8,633,036 | $14,997,110 | $23,544,957 |
| Total | $147,042,354 | $133,757,577 | $188,614,548 | $270,501,115 | $237,296,764 | $287,543,505 | $260,359,015 |
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