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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $4,452,803 | $11,869,673 | $17,978,888 | $31,661,672 | $32,796,068 | $27,616,426 | $38,947,046 |
| Carbon electrodes, other than of a kind used for furnaces | $2,180,930 | $2,412,439 | $9,840,636 | $11,180,469 | $12,112,162 | $14,455,817 | $10,490,059 |
| Carbon brushes | $2,149,160 | $2,170,135 | $2,557,386 | $2,802,956 | $2,789,666 | $3,296,670 | $3,409,697 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $1,214,333 | $2,552,269 | $4,821,129 | $5,163,931 | $5,891,639 | $3,423,677 | $2,842,874 |
| Total | $9,997,226 | $19,004,516 | $35,198,039 | $50,809,028 | $53,589,535 | $48,792,590 | $55,689,676 |
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