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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Anhydrous ammonia | $87,902 | $121,326 | $127,158 | $160,141 | $174,354 | $102,017 | $21,304 |
| Ammonia in aqueous solution | $224,560 | $125,123 | $95,004 | $148,035 | $98,767 | $123,956 | $159,993 |
| Total | $312,462 | $246,449 | $222,162 | $308,176 | $273,121 | $225,973 | $181,297 |
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