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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $349,290 | $543,583 | $471,662 | $853,739 | $739,687 | $736,485 | $817,413 |
| Nitrates of potassium | $205,057 | $498,835 | $615,121 | $272,847 | $346,326 | $529,371 | $653,803 |
| Nitrates other than of potassium | $326,213 | $214,399 | $300,384 | $375,185 | $368,817 | $355,356 | $536,606 |
| Total | $880,560 | $1,256,817 | $1,387,167 | $1,501,771 | $1,454,830 | $1,621,212 | $2,007,822 |
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