Commodity20052006200720082010
Electrical insulators, of glass$6,809$25,630$163,235$452,287$117,743
Electrical insulators, of ceramics$329,256$137,615$122,975$102,881$207,143
Electrical insulators of any mat. other than glass & ceramics$917,510$1,756,160$736,196$1,737,302$941,324
Total$1,253,575$1,919,405$1,022,406$2,292,470$1,266,210