Commodity200520062007200820092010
Sodium metasilicates$375     
Silicates of sodium other than sodiummetasilicates$30,585$57,022$83,723$76,468$127,638$169,918
Potsssium silicates    $1,098 
Silicates other than of sodium/potassium; commercial alkali metal silicates ... $314 $269$444$145
Total$30,960$57,336$83,723$76,737$129,180$170,063