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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Nitrites | $69,745 | $104,315 | $22,811 | $68,223 | $36,464 | $33,215 |
| Nitrates of potassium | $117,256 | $440,446 | $199,831 | $33,749 | $81,588 | $291,651 |
| Nitrates other than of potassium | $768,815 | $815,280 | $878,635 | $850,598 | $529,622 | $968,380 |
| Total | $955,816 | $1,360,041 | $1,101,277 | $952,570 | $647,674 | $1,293,246 |
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