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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $389,789 | $660,203 | $924,806 | $1,104,851 | $766,588 | $1,046,419 | $1,325,467 |
| Nitrates of potassium | $117,718 | $106,034 | $157,485 | $180,997 | $227,069 | $270,282 | $366,908 |
| Nitrates other than of potassium | $282,943 | $507,485 | $470,962 | $554,554 | $277,704 | $246,964 | $203,259 |
| Total | $790,450 | $1,273,722 | $1,553,253 | $1,840,402 | $1,271,361 | $1,563,665 | $1,895,634 |
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