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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $258,390 | $315,468 | $661,089 | $596,242 | $523,713 | $565,703 | $549,781 |
| Nitrates of potassium | $503,787 | $767,340 | $1,857,281 | $4,128,125 | $998,690 | $2,081,387 | $1,818,626 |
| Nitrates other than of potassium | $2,039,395 | $2,253,382 | $3,259,887 | $3,135,004 | $2,654,128 | $2,706,082 | $3,082,845 |
| Total | $2,801,572 | $3,336,190 | $5,778,257 | $7,859,371 | $4,176,531 | $5,353,172 | $5,451,252 |
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