|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $1,112 | $1,366 | $5,777 | $644 | $1,389 | $1,234 | $788 |
| Nitrates of potassium | $82 | $8 | $16 | $90 | | $53 | $89 |
| Nitrates other than of potassium | $712 | $22,938 | $6,393 | $4,617 | $6,906 | $28,635 | $16,790 |
| Total | $1,906 | $24,312 | $12,186 | $5,351 | $8,295 | $29,922 | $17,667 |
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