|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $41,000 | | $22,000 | | $20,000 | $3,000 | $3,000 |
| Nitrates of potassium | $88,000 | $149,000 | $231,000 | $862,000 | $521,000 | $184,000 | $706,000 |
| Nitrates other than of potassium | $87,000 | | $139,000 | | $275,000 | $295,000 | $353,000 |
| Total | $216,000 | $149,000 | $392,000 | $862,000 | $816,000 | $482,000 | $1,062,000 |
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