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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $34,516 | $6,756 | $5,314 | $14,407 | $6,915 | $13,700 | $13,760 |
| Nitrates of potassium | $377,983 | $128,854 | $197,261 | $396,417 | $284,452 | $389,117 | $327,079 |
| Nitrates other than of potassium | $2,382 | $3,547 | $18,135 | $34,014 | $7,932 | $12,539 | $55,904 |
| Total | $414,881 | $139,157 | $220,710 | $444,838 | $299,299 | $415,356 | $396,743 |
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