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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $594,759 | $716,932 | $926,834 | $969,421 | $754,965 | $1,061,460 | $1,694,617 |
| Nitrates of potassium | $27,426,060 | $27,609,580 | $37,656,277 | $66,096,277 | $49,600,955 | $76,732,944 | $134,950,889 |
| Nitrates other than of potassium | $5,353,395 | $4,921,160 | $7,502,141 | $8,159,772 | $4,265,519 | $10,083,278 | $11,015,178 |
| Total | $33,374,214 | $33,247,672 | $46,085,252 | $75,225,470 | $54,621,439 | $87,877,682 | $147,660,684 |
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