|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $327,000 | $187,000 | $287,000 | $86,000 | $70,000 | $415,000 | $45,000 |
| Nitrates of potassium | $15,000 | $16,000 | $17,000 | $88,000 | $40,000 | $23,000 | $544,000 |
| Nitrates other than of potassium | $308,000 | $296,000 | $294,000 | $750,000 | $618,000 | $665,000 | $623,000 |
| Total | $650,000 | $499,000 | $598,000 | $924,000 | $728,000 | $1,103,000 | $1,212,000 |
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