Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$6,343,399$7,494,138$79,916,204$125,359,949$111,502,366$160,065,974$228,804,116
Parts of the app. & equip. of 85.17$79,128,562$73,321,124$126,203,950$152,322,347$126,425,112$130,455,465$146,654,207
Total$85,471,961$80,815,262$206,120,154$277,682,296$237,927,478$290,521,439$375,458,323