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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $33,046 | $31,038 | $46,909 | $42,488 | $46,823 | $42,886 | $25,728 |
| Nitrates of potassium | $99,473 | $97,749 | $136,548 | $275,432 | $1,237 | $53,787 | $106,347 |
| Nitrates other than of potassium | $12,640 | $24,990 | $48,739 | $72,914 | $54,842 | $43,636 | $93,491 |
| Total | $145,159 | $153,777 | $232,196 | $390,834 | $102,902 | $140,309 | $225,566 |
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