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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $333 | $131 | $1,107 | $2,524 | $2,274 | $2,769 | $7,434 |
| Nitrates of potassium | $5,788 | $3,224 | $3,572 | $5,394 | $73,292 | $29,300 | $1,662 |
| Nitrates other than of potassium | $14,132 | $11,420 | $10,904 | $19,482 | $34,173 | $76,897 | $797,346 |
| Total | $20,253 | $14,775 | $15,583 | $27,400 | $109,739 | $108,966 | $806,442 |
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