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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $2,020,689 | $667,944 | $565,760 | $545,569 | $458,673 | $772,679 | $798,259 |
| Nitrates of potassium | $1,922,398 | $1,372,640 | $924,925 | $690,023 | $100,511 | $450,227 | $287,432 |
| Nitrates other than of potassium | $1,182,053 | $2,279,634 | $318,183 | $2,488,839 | $923,166 | $1,473,566 | $1,509,077 |
| Total | $5,125,140 | $4,320,218 | $1,808,868 | $3,724,431 | $1,482,350 | $2,696,472 | $2,594,768 |
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