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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $1,167,079 | $229,346 | $1,365,629 | $2,416,036 | $720,300 | $319,368 | $589,795 |
| Nitrates of potassium | $6,470,790 | $7,902,794 | $7,587,702 | $14,287,474 | $5,629,142 | $9,860,545 | $8,831,091 |
| Nitrates other than of potassium | $11,080,743 | $10,849,810 | $10,796,647 | $12,754,836 | $9,604,453 | $12,338,858 | $13,110,962 |
| Total | $18,718,612 | $18,981,950 | $19,749,978 | $29,458,346 | $15,953,895 | $22,518,771 | $22,531,848 |
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