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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $36,495,211 | $38,042,238 | $46,999,898 | $67,188,306 | $31,326,657 | $55,886,237 | $51,047,808 |
| Carbon electrodes, other than of a kind used for furnaces | $9,584,315 | $9,734,138 | $6,577,392 | $4,604,454 | $29,509,976 | $32,486,890 | $28,508,078 |
| Carbon brushes | $4,303,097 | $6,475,479 | $7,155,968 | $7,781,525 | $6,822,142 | $9,723,116 | $10,455,192 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $2,465,626 | $3,997,556 | $17,612,348 | $28,001,864 | $4,705,979 | $2,954,150 | $1,957,172 |
| Total | $52,848,249 | $58,249,411 | $78,345,606 | $107,576,149 | $72,364,754 | $101,050,393 | $91,968,250 |
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