Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$3,010,435$7,258,096$29,453,920$33,415,741$30,999,721$64,431,812$137,077,215
Parts of the app. & equip. of 85.17$19,986,818$15,607,346$119,820,815$149,677,456$75,613,399$420,467,996$955,752,710
Total$22,997,253$22,865,442$149,274,735$183,093,197$106,613,120$484,899,808$1,092,829,925