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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Nitrites | $24,612 | $4,342 | $32,232 | $6,394 | $12,260 | $15,666 |
| Nitrates of potassium | $44,617 | $215,741 | $224,746 | $379,373 | $199,709 | $89,995 |
| Nitrates other than of potassium | $32,385 | $577,880 | $395,467 | $404,638 | $200,674 | $103,994 |
| Total | $101,614 | $797,963 | $652,445 | $790,405 | $412,643 | $209,655 |
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