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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Nitrites | $75 | $32,181 | $409 | $8,505 | $77,689 |
| Nitrates of potassium | $59,993 | | $19,595 | $36,739 | $180,629 |
| Nitrates other than of potassium | $77,187 | $192,666 | $8,011 | $49,582 | $200,490 |
| Total | $137,255 | $224,847 | $28,015 | $94,826 | $458,808 |
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