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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $34,250,035 | $58,071,075 | $76,074,844 | $81,622,690 | $85,079,355 | $119,974,842 | $102,642,298 |
| Pitch coke, obt. from coal tar/oth. min. tars | $46,659,304 | $54,099,767 | $55,784,081 | $58,513,875 | $30,081,067 | $33,155,416 | $25,439,793 |
| Total | $80,909,339 | $112,170,842 | $131,858,925 | $140,136,565 | $115,160,422 | $153,130,258 | $128,082,091 |
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