Commodity200520062007200820092011
Sodium hydroxide (caustic soda), solid$72$181$123$148,274$497,080$24,000
Sodium hydroxide (caustic soda), in aqueous solution (sida lye/liquid soda) ...$99$496$30$149 $794
Potassium hydroxide (caustic potash)$59 $119 $200 
Total$230$677$272$148,423$497,280$24,794