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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Anhydrous ammonia | $154,280 | $151,498 | $196,387 | $126,099 | $100,347 | $93,676 | $112,239 |
| Ammonia in aqueous solution | $440 | $34,671 | $921 | $3,322 | $7,917 | $2,044 | $3,427 |
| Total | $154,720 | $186,169 | $197,308 | $129,421 | $108,264 | $95,720 | $115,666 |
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