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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $1,220,690 | $526,553 | $163,791 | $106,779 | $204,467 | $217,094 | $287,554 |
| Nitrates of potassium | $132,786 | $30,568 | $58,573 | $487,193 | $13,807 | $23,241 | $13,384 |
| Nitrates other than of potassium | $1,868,285 | $1,173,468 | $3,321 | $42,657 | $98,863 | $82,458 | $100,731 |
| Total | $3,221,761 | $1,730,589 | $225,685 | $636,629 | $317,137 | $322,793 | $401,669 |
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