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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Anhydrous ammonia | $5,027 | $106 | $38 | $33,346 | $7,766 | $22,380 | $89,693 |
| Ammonia in aqueous solution | $5,369 | $4,847 | $4,072 | $10,763 | $5,967 | $57,431 | $22,746 |
| Total | $10,396 | $4,953 | $4,110 | $44,109 | $13,733 | $79,811 | $112,439 |
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