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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Nitrites | $7,755 | $2,496 | $5,319 | $6,874 | $2,574 | $14,541 |
| Nitrates of potassium | $34,829 | $94,508 | $37,135 | $53,474 | $95,875 | $41,216 |
| Nitrates other than of potassium | $45,847 | $92,527 | $67,705 | $363,923 | $177,116 | $107,520 |
| Total | $88,431 | $189,531 | $110,159 | $424,271 | $275,565 | $163,277 |
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