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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Nitrites | $741 | $15,018 | $22,933 | $39,710 | $34,321 |
| Nitrates of potassium | $217,882 | $245,880 | $413,279 | $184,110 | $369,307 |
| Nitrates other than of potassium | $89,516 | $91,001 | $117,284 | $136,372 | $148,965 |
| Total | $308,139 | $351,899 | $553,496 | $360,192 | $552,593 |
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