Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$2,319,034$13,353,060$30,146,392$33,244,429$18,679,027$8,585,362$11,212,264
Parts of the app. & equip. of 85.17$113,201,248$119,529,957$98,991,445$94,591,770$72,774,186$57,468,506$54,368,546
Total$115,520,282$132,883,017$129,137,837$127,836,199$91,453,213$66,053,868$65,580,810