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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $226,462 | $556,090 | $319,441 | $1,020,454 | $502,137 | $947,402 | $785,482 |
| Nitrates of potassium | $16,068 | $8,255 | $58,973 | $697,279 | $425,589 | $269,042 | $597,603 |
| Nitrates other than of potassium | $111,423 | $116,445 | $15,131 | $205,229 | $1,257,043 | $915,721 | $584,673 |
| Total | $353,953 | $680,790 | $393,545 | $1,922,962 | $2,184,769 | $2,132,165 | $1,967,758 |
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