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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Nitrites | $36,397 | $20,570 | $35,124 | $21,162 | $48,753 | $71,693 |
| Nitrates of potassium | $5,181 | | $10,281 | $45,702 | $2,163 | $31,513 |
| Nitrates other than of potassium | $262,279 | $157,890 | $236,298 | $882,902 | $1,103,497 | $2,745,134 |
| Total | $303,857 | $178,460 | $281,703 | $949,766 | $1,154,413 | $2,848,340 |
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