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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $18,937 | $30,463 | $42,605 | $32,363 | $41,826 | $81,345 | $119,280 |
| Nitrates of potassium | $15,635 | $182,736 | $185,820 | $92,247 | $133,776 | $226,283 | $332,331 |
| Nitrates other than of potassium | $430 | $105,612 | $36,841 | $2,710 | $377,973 | $232,536 | $407,255 |
| Total | $35,002 | $318,811 | $265,266 | $127,320 | $553,575 | $540,164 | $858,866 |
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