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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Nitrites | $3,221,053 | $3,953,571 | $100,194 | $86,936 | $3,621,091 | $5,623,912 |
| Nitrates of potassium | $18,681,115 | $17,815,567 | $30,246,284 | $96,937,746 | $50,254,495 | $75,297,046 |
| Nitrates other than of potassium | $12,113,448 | $14,417,280 | $22,987,011 | $26,365,098 | $28,822,267 | $5,805,542 |
| Total | $34,015,616 | $36,186,418 | $53,333,489 | $123,389,780 | $82,697,853 | $86,726,500 |
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