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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Anhydrous ammonia | $34,879 | $24,397 | $51,425 | $24,737 | $92,273 | $94,063 | $74,879 |
| Ammonia in aqueous solution | $16,597 | $35,438 | $43,873 | $51,836 | $34,667 | $61,132 | $57,204 |
| Total | $51,476 | $59,835 | $95,298 | $76,573 | $126,940 | $155,195 | $132,083 |
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