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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $12,608 | $8,961 | $1,703 | $23,180 | $3,391 | $417,432 | $277,219 |
| Nitrates of potassium | $27 | $38,152 | $81,017 | $1,010 | $46,778 | $273,848 | $64,924 |
| Nitrates other than of potassium | $518,993 | $480,342 | $580,182 | $496,850 | $364,375 | $383,547 | $367,293 |
| Total | $531,628 | $527,455 | $662,902 | $521,040 | $414,544 | $1,074,827 | $709,436 |
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