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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $19,878 | $28,468 | $23,213 | $42,061 | $9,842 | $43,486 | $57,215 |
| Nitrates of potassium | $188,437 | $98,290 | $241,785 | $286,908 | $277,593 | $197,429 | $268,469 |
| Nitrates other than of potassium | $154,092 | $94,984 | $81,861 | $149,177 | $146,878 | $139,961 | $143,715 |
| Total | $362,407 | $221,742 | $346,859 | $478,146 | $434,313 | $380,876 | $469,399 |
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