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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Anhydrous ammonia | $32,863 | $104,122 | $134,659 | $157,511 | $233,791 | $239,065 | $386,174 |
| Ammonia in aqueous solution | $398,246 | $492,561 | $486,966 | $617,279 | $186,010 | $200,723 | $222,110 |
| Total | $431,109 | $596,683 | $621,625 | $774,790 | $419,801 | $439,788 | $608,284 |
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