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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $562,177 | $551,147 | $544,733 | $605,352 | $392,694 | $515,207 | $338,350 |
| Nitrates of potassium | $1,426,683 | $1,054,435 | $1,173,047 | $1,819,613 | $1,595,003 | $1,743,895 | $2,946,560 |
| Nitrates other than of potassium | $1,245,037 | $2,126,367 | $3,230,280 | $3,913,434 | $2,006,993 | $4,152,989 | $3,282,072 |
| Total | $3,233,897 | $3,731,949 | $4,948,060 | $6,338,399 | $3,994,690 | $6,412,091 | $6,566,982 |
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