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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $37,947 | $22,165 | $26,226 | $3,548 | $3,136 | $17,265 | $20,073 |
| Nitrates of potassium | $76,725 | $37,800 | $84,980 | $14,986 | $129,939 | $87,410 | $152,766 |
| Nitrates other than of potassium | $21,627 | $14,879 | $37,903 | $25,095 | $26,299 | $283,593 | $36,575 |
| Total | $136,299 | $74,844 | $149,109 | $43,629 | $159,374 | $388,268 | $209,414 |
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