|
| Commodity | 2005 | 2006 | 2007 | 2009 | 2011 |
| Sodium hydroxide (caustic soda), solid | $4,051 | $713 | $1,444 | $15,765 | $15,075 |
| Sodium hydroxide (caustic soda), in aqueous solution (sida lye/liquid soda) ... | $728 | $1,161 | $1,441 | $1,456 | $2,651 |
| Potassium hydroxide (caustic potash) | $1,427 | $353 | $1,490 | $1,094 | $1,448 |
| Total | $6,206 | $2,227 | $4,375 | $18,315 | $19,174 |
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