Commodity2005200620072008
Sodium metasilicates $2,253$987$270
Silicates of sodium other than sodiummetasilicates $54,904$117,784 
Potsssium silicates $54,904$78,523 
Silicates other than of sodium/potassium; commercial alkali metal silicates ...$1,324$25,402$39,261$2,980
Total$1,324$137,463$236,555$3,250