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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Nitrites | $2,686,094 | $1,540,460 | $1,923,042 | $1,809,519 | $1,586,309 | $1,808,762 |
| Nitrates of potassium | $70,055,227 | $67,028,681 | $76,791,575 | $162,796,922 | $137,271,400 | $195,439,020 |
| Nitrates other than of potassium | $4,681,984 | $5,250,596 | $5,328,574 | $5,282,713 | $2,524,713 | $5,609,410 |
| Total | $77,423,305 | $73,819,737 | $84,043,191 | $169,889,154 | $141,382,422 | $202,857,192 |
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