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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 |
| Nitrites | $98,905 | $109,143 | $197,659 | $2,401 | $31,671 |
| Nitrates of potassium | $1,572,331 | $745,102 | $286,600 | $2,382,141 | $750,720 |
| Nitrates other than of potassium | $286,613 | $325,407 | $5,859 | $97,370 | $722,479 |
| Total | $1,957,849 | $1,179,652 | $490,118 | $2,481,912 | $1,504,870 |
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