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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $58,433,149 | $71,443,846 | $70,657,267 | $82,317,971 | $35,992,813 | $79,336,579 | $73,495,833 |
| Carbon electrodes, other than of a kind used for furnaces | $254,101 | $101,356 | $348,514 | $620,712 | $59,302 | $283,401 | $372,331 |
| Carbon brushes | $6,057,954 | $10,316,474 | $11,200,174 | $14,315,563 | $8,343,379 | $29,931,551 | $16,717,555 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $9,140,915 | $20,358,547 | $27,523,005 | $30,763,883 | $10,724,117 | $21,928,684 | $29,319,285 |
| Total | $73,886,119 | $102,220,223 | $109,728,960 | $128,018,129 | $55,119,611 | $131,480,215 | $119,905,004 |
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