Commodity2005200620072008200920102011
Electrical insulators, of glass$584,782$647,258$1,092,308$1,440,944$610,261$563,093$920,741
Electrical insulators, of ceramics$8,517,979$4,670,442$6,698,840$6,706,792$4,959,611$7,060,186$5,372,295
Electrical insulators of any mat. other than glass & ceramics$16,723,123$21,706,262$26,407,471$24,345,462$18,688,036$21,742,623$16,312,151
Total$25,825,884$27,023,962$34,198,619$32,493,198$24,257,908$29,365,902$22,605,187