Commodity2005200620072008200920102011
Electrical insulators, of glass$2,174,463$6,029,577$5,213,847$6,644,180$4,089,521$4,873,878$7,414,318
Electrical insulators, of ceramics$15,279,978$16,408,293$12,002,418$14,431,153$6,946,370$14,819,797$6,365,352
Electrical insulators of any mat. other than glass & ceramics$42,322,366$47,033,381$45,844,387$43,365,365$34,211,533$27,624,550$28,722,411
Total$59,776,807$69,471,251$63,060,652$64,440,698$45,247,424$47,318,225$42,502,081