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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $123,104 | $16,816 | $120,877 | $10,424 | $41,135 | $51,543 | $175,539 |
| Nitrates of potassium | $32,626 | $29,558 | $25,074 | $59,389 | $212,164 | $179,450 | $58,041 |
| Nitrates other than of potassium | $130,608 | $313,880 | $644,352 | $824,241 | $347,155 | $444,759 | $372,942 |
| Total | $286,338 | $360,254 | $790,303 | $894,054 | $600,454 | $675,752 | $606,522 |
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