|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $17,034 | | $661 | $5,724 | $332 | $720 | $97 |
| Nitrates of potassium | $20,209 | $13,209 | $16,518 | $11,000 | $105,702 | $129,703 | $170,259 |
| Nitrates other than of potassium | $101,731 | $10,035 | $79,038 | $51,809 | $81,275 | $32,763 | $26,841 |
| Total | $138,974 | $23,244 | $96,217 | $68,533 | $187,309 | $163,186 | $197,197 |
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