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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $272 | $9,128 | $15,344 | $997 | $21,871 | $2,557 | $5,533 |
| Nitrates of potassium | $29,483 | $88,971 | $33,459 | $51,836 | $37,467 | $34,991 | $41,467 |
| Nitrates other than of potassium | $308,148 | $280,086 | $504,674 | $1,316,254 | $744,483 | $1,175,871 | $1,346,717 |
| Total | $337,903 | $378,185 | $553,477 | $1,369,087 | $803,821 | $1,213,419 | $1,393,717 |
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