Commodity200520072008
Sodium metasilicates$844,119$933,972$1,204,901
Silicates of sodium other than sodiummetasilicates$429,060$913,667$1,451,940
Potsssium silicates$42,990$143,189 
Silicates other than of sodium/potassium; commercial alkali metal silicates ...$904,621$1,474,750$2,360,870
Total$2,220,790$3,465,578$5,017,711