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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Anhydrous ammonia | $21,571 | $103,172 | $15,072 | $137,458 | $186,089 | $57,380 | $68,201 |
| Ammonia in aqueous solution | $13,700 | $547,342 | $88,035 | $73,878 | $39,954 | $45,183 | $79,332 |
| Total | $35,271 | $650,514 | $103,107 | $211,336 | $226,043 | $102,563 | $147,533 |
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