|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Nitrites | $4,115 | $4,837 | $3,971 | $1,044 | | |
| Nitrates of potassium | $610 | $14,786 | $20,551 | $269,307 | $511,130 | $136 |
| Nitrates other than of potassium | | $2,171 | $27,008 | $15,885 | $112,448 | $22,825 |
| Total | $4,725 | $21,794 | $51,530 | $286,236 | $623,578 | $22,961 |
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