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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $445,115 | $330,341 | $231,461 | $798,136 | $605,497 | $670,792 | $266,095 |
| Nitrates of potassium | $2,115,404 | $2,053,330 | $2,563,933 | $3,822,500 | $4,015,704 | $4,474,238 | $3,784,249 |
| Nitrates other than of potassium | $7,825,896 | $8,671,696 | $8,981,175 | $8,931,273 | $4,592,311 | $6,763,928 | $5,891,374 |
| Total | $10,386,415 | $11,055,367 | $11,776,569 | $13,551,909 | $9,213,512 | $11,908,958 | $9,941,718 |
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