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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrates of potassium | $171,705 | $389,156 | $727,265 | $3,975,438 | $2,189,576 | $2,091,735 | $2,429,219 |
| Nitrates other than of potassium | $12,527,031 | $11,113,530 | $12,904,159 | $8,030,533 | $2,889,796 | $7,497,371 | $6,964,873 |
| Total | $12,698,736 | $11,502,686 | $13,631,424 | $12,005,971 | $5,079,372 | $9,589,106 | $9,394,092 |
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