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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $165,470 | $261,376 | $331,977 | $358,499 | $257,234 | $75,345 | $114,664 |
| Nitrates of potassium | $198,894 | $109,409 | $92,167 | $134,697 | $246,486 | $268,891 | $247,736 |
| Nitrates other than of potassium | $913,969 | $755,508 | $743,104 | $918,735 | $553,480 | $1,232,006 | $731,542 |
| Total | $1,278,333 | $1,126,293 | $1,167,248 | $1,411,931 | $1,057,200 | $1,576,242 | $1,093,942 |
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