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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $39,939 | $37,119 | $39,436 | $82,014 | $9,311 | $28,812 | $139,516 |
| Nitrates of potassium | $1,041,648 | $790,624 | $989,855 | $3,063,683 | $672,986 | $1,402,553 | $1,075,103 |
| Nitrates other than of potassium | $666,139 | $652,272 | $918,471 | $2,377,069 | $1,428,201 | $1,502,199 | $1,709,163 |
| Total | $1,747,726 | $1,480,015 | $1,947,762 | $5,522,766 | $2,110,498 | $2,933,564 | $2,923,782 |
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