Commodity200520062007200820092011
Electrical insulators, of glass$67,155$88,815$725,929$158,806$23,570$2,899
Electrical insulators, of ceramics$306,615$210,006$512,482$519,264$343,760$185,151
Electrical insulators of any mat. other than glass & ceramics$500,709$395,385$788,300$1,039,180$653,614$763,105
Total$874,479$694,206$2,026,711$1,717,250$1,020,944$951,155