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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $82,945,930 | $111,836,989 | $141,635,737 | $352,454,330 | $305,268,309 | $292,224,252 | $382,238,280 |
| Carbon electrodes, other than of a kind used for furnaces | $10,255,638 | $17,318,738 | $44,224,790 | $26,852,216 | $15,007,871 | $15,236,408 | $16,915,243 |
| Carbon brushes | $105,785 | $125,314 | $124,251 | $177,674 | $107,305 | $106,584 | $152,242 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $24,662 | $20,044 | $36,309 | $101,759 | $22,089 | $61,680 | $21,889 |
| Total | $93,332,015 | $129,301,085 | $186,021,087 | $379,585,979 | $320,405,574 | $307,628,924 | $399,327,654 |
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