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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Anhydrous ammonia | $26,545 | $37,670 | $23,690 | $32,101 | $10,522 | $45,538 | $26,128 |
| Ammonia in aqueous solution | $23,067 | $22,998 | $32,863 | $20,904 | $49,590 | $30,624 | $38,524 |
| Total | $49,612 | $60,668 | $56,553 | $53,005 | $60,112 | $76,162 | $64,652 |
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