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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $6,077,462 | $7,140,614 | $11,969,366 | $14,541,128 | $16,460,514 | $19,682,039 | $15,574,445 |
| Carbon electrodes, other than of a kind used for furnaces | $7,892,186 | $10,225,527 | $5,215,084 | $6,406,082 | $7,512,875 | $22,168,223 | $16,641,890 |
| Carbon brushes | $11,641,407 | $12,103,537 | $14,224,326 | $15,789,428 | $12,833,801 | $14,771,019 | $18,165,581 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $10,225,783 | $41,738,191 | $31,748,801 | $36,448,567 | $26,101,072 | $24,525,343 | $34,728,098 |
| Total | $35,836,838 | $71,207,869 | $63,157,577 | $73,185,205 | $62,908,262 | $81,146,624 | $85,110,014 |
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