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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Anhydrous ammonia | $59,390 | $72,917 | $104,469 | $153,653 | $144,256 | $188,727 | $271,613 |
| Ammonia in aqueous solution | $222,338 | $273,607 | $294,474 | $284,226 | $283,925 | $353,323 | $345,442 |
| Total | $281,728 | $346,524 | $398,943 | $437,879 | $428,181 | $542,050 | $617,055 |
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