Commodity2005200620072008200920102011
Electrical insulators, of glass$256,220$817,171$4,357,207$1,873,051$692,116$5,331,186$5,536,021
Electrical insulators, of ceramics$749,649$908,208$1,994,542$2,457,596$394,086$616,121$1,271,410
Electrical insulators of any mat. other than glass & ceramics$919,221$108,859$789,113$538,474$1,696,864$348,608$490,992
Total$1,925,090$1,834,238$7,140,862$4,869,121$2,783,066$6,295,915$7,298,423