|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $4,693 | $11,166 | $290 | $8,988 | $40,032 | $40,515 | $52,485 |
| Nitrates of potassium | $5,071 | $167 | | | $7,451 | | |
| Nitrates other than of potassium | $23,279 | $8,820 | $17,435 | $19,235 | $6,278 | $6,423 | $10,295 |
| Total | $33,043 | $20,153 | $17,725 | $28,223 | $53,761 | $46,938 | $62,780 |
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