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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Anhydrous ammonia | $8,739 | $10,339 | $12,104 | $18,787 | $8,340 | $19,082 | $21,463 |
| Ammonia in aqueous solution | $28,636 | $39,300 | $39,384 | $183,430 | $85,447 | $90,579 | $223,625 |
| Total | $37,375 | $49,639 | $51,488 | $202,217 | $93,787 | $109,661 | $245,088 |
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