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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $283,491 | $275,870 | $387,782 | $404,225 | $236,850 | $43,775 | $47,072 |
| Nitrates of potassium | $105,567 | $185,545 | $161,355 | $150,952 | $283,183 | $473,708 | $245,330 |
| Nitrates other than of potassium | $46,029 | $42,868 | $15,322 | $33,790 | $171,531 | $225,287 | $333,230 |
| Total | $435,087 | $504,283 | $564,459 | $588,967 | $691,564 | $742,770 | $625,632 |
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