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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $37,368 | $87,589 | $480,529 | $273,765 | $21,289 | $66,449 | $223,389 |
| Nitrates of potassium | $5,946 | $9,473 | $3,018 | $92,127 | $204,866 | $291,274 | $320,073 |
| Nitrates other than of potassium | $32,486 | $3,828 | $334,282 | $1,284,595 | $890,610 | $109,890 | $288,169 |
| Total | $75,800 | $100,890 | $817,829 | $1,650,487 | $1,116,765 | $467,613 | $831,631 |
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