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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $1,818 | $6,703 | $7,580 | $13,148 | $41,864 | $6,388 | $45,879 |
| Nitrates of potassium | $380,937 | $153,491 | $39,372 | $16,007 | $46,521 | $84,641 | $228,163 |
| Nitrates other than of potassium | $142,123 | $4,821 | $12,056 | $1,564 | $4,138 | $318,360 | $4,118 |
| Total | $524,878 | $165,015 | $59,008 | $30,719 | $92,523 | $409,389 | $278,160 |
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