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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $93,697 | $87,100 | $145,314 | $175,994 | $365,609 | $223,973 | $233,716 |
| Nitrates of potassium | | $87,724 | $153,902 | $223,860 | $240,000 | $553,266 | $964,776 |
| Nitrates other than of potassium | $38,195 | $35,603 | $38,316 | $51,688 | $1,197 | $104,076 | $36,894 |
| Total | $131,892 | $210,427 | $337,532 | $451,542 | $606,806 | $881,315 | $1,235,386 |
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