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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $45,519 | $46,134 | $14,878 | $39,932 | $67,976 | $72,122 | $75,390 |
| Nitrates of potassium | $58,479 | $42,500 | $95,247 | $47,641 | $54,246 | $13,525 | $24,318 |
| Nitrates other than of potassium | $97,192 | $83,753 | $187,742 | $39,802 | $102,347 | $424,209 | $148,717 |
| Total | $201,190 | $172,387 | $297,867 | $127,375 | $224,569 | $509,856 | $248,425 |
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