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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $5,554 | $3,524 | $7,078 | $42,886 | $33,777 | $11,703 | $8,847 |
| Nitrates of potassium | $103,411 | $74,960 | $62,099 | $192,087 | $194,514 | $223,103 | $401,952 |
| Nitrates other than of potassium | $400,200 | $743,218 | $1,012,991 | $1,979,053 | $542,869 | $2,311,102 | $3,028,581 |
| Total | $509,165 | $821,702 | $1,082,168 | $2,214,026 | $771,160 | $2,545,908 | $3,439,380 |
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