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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $179,606 | $154,914 | $234,730 | $257,606 | $223,849 | $699,772 | $1,017,646 |
| Nitrates of potassium | $26,129,778 | $25,550,184 | $32,315,763 | $70,093,945 | $47,987,091 | $64,307,518 | $81,408,266 |
| Nitrates other than of potassium | $29,476,693 | $38,035,181 | $62,948,545 | $62,022,321 | $28,285,774 | $34,910,553 | $31,225,958 |
| Total | $55,786,077 | $63,740,279 | $95,499,038 | $132,373,872 | $76,496,714 | $99,917,843 | $113,651,870 |
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