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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Anhydrous ammonia | $22,271 | $19,505 | $4,664 | $8,528 | $2,052 | $8,687 | $15,599 |
| Ammonia in aqueous solution | $5,395 | $100,648 | $19,772 | $44,402 | $5,828 | $33,380 | $12,945 |
| Total | $27,666 | $120,153 | $24,436 | $52,930 | $7,880 | $42,067 | $28,544 |
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