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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $2,468 | $15,985 | $708 | $45,398 | $127,008 | $307,646 | $103,327 |
| Nitrates of potassium | $17,888 | $30,653 | $144,867 | $28,186 | $77,014 | $89,392 | $11,207 |
| Nitrates other than of potassium | $214,560 | $111,791 | $206,927 | $286,931 | $328,139 | $138,922 | $70,026 |
| Total | $234,916 | $158,429 | $352,502 | $360,515 | $532,161 | $535,960 | $184,560 |
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