Commodity2005200620072008200920102011
Electrical insulators, of glass$18,232$2,822$1,568$43,610$14,272$72,210$153,305
Electrical insulators, of ceramics$181,821$829,569$1,324,430$4,074,665$608,120$1,265,267$5,706,770
Electrical insulators of any mat. other than glass & ceramics$507,476$1,243,409$2,884,973$1,013,183$1,038,761$989,004$1,968,812
Total$707,529$2,075,800$4,210,971$5,131,458$1,661,153$2,326,481$7,828,887