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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Anhydrous ammonia | $2,097 | $2,233 | $5,816 | $3,922 | $1,898 | $5,695 | $1,821 |
| Ammonia in aqueous solution | $13,059 | $19,838 | $23,933 | $28,343 | $25,438 | $27,883 | $15,458 |
| Total | $15,156 | $22,071 | $29,749 | $32,265 | $27,336 | $33,578 | $17,279 |
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