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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $99,189 | $89,196 | $123,615 | $56,919 | $49,461 | $72,170 | $296,193 |
| Nitrates of potassium | $100,978 | $66,815 | $74,530 | $68,283 | $279,138 | $311,047 | $451,940 |
| Nitrates other than of potassium | $5,725 | $71,703 | $566,499 | $1,048,872 | $1,593,823 | $2,838,501 | $2,248,846 |
| Total | $205,892 | $227,714 | $764,644 | $1,174,074 | $1,922,422 | $3,221,718 | $2,996,979 |
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