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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $33,966 | $40,890 | $27,566 | $41,708 | $29,734 | $25,162 | $38,986 |
| Nitrates of potassium | $36,923 | $39,060 | $70,561 | $52,338 | $23,193 | $56,823 | $92,069 |
| Nitrates other than of potassium | $347,740 | $224,079 | $271,285 | $404,357 | $424,018 | $548,566 | $744,848 |
| Total | $418,629 | $304,029 | $369,412 | $498,403 | $476,945 | $630,551 | $875,903 |
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