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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $142,816 | $397,085 | $682,723 | $840,254 | $516,046 | $681,312 | $896,625 |
| Nitrates of potassium | $68,997 | $43,457 | $44,645 | $111,942 | $47,451 | $84,207 | $60,752 |
| Nitrates other than of potassium | $133,438 | $875,516 | $1,124,425 | $1,090,313 | $1,041,292 | $1,653,799 | $1,486,563 |
| Total | $345,251 | $1,316,058 | $1,851,793 | $2,042,509 | $1,604,789 | $2,419,318 | $2,443,940 |
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