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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Nitrites | $12,953 | $477 | $1,178 | $614 | $1,721 | $219 |
| Nitrates of potassium | $6,813 | $9,695 | $12,273 | $5,844 | $5,587 | $9,020 |
| Nitrates other than of potassium | $188,590 | $141,044 | $797,773 | $488,170 | $240,107 | $188,479 |
| Total | $208,356 | $151,216 | $811,224 | $494,628 | $247,415 | $197,718 |
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