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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Nitrites | $5,426 | $1,186 | $51 | $134 | $1,456 | $1,815 |
| Nitrates of potassium | $68,361 | $90,226 | $112,342 | $52,287 | $127,045 | $65,116 |
| Nitrates other than of potassium | $32,368 | $23,147 | $15,720 | $2,400 | $5,969 | $3,391 |
| Total | $106,155 | $114,559 | $128,113 | $54,821 | $134,470 | $70,322 |
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