Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$5,224,316$15,972,519$14,425,106$3,380,072$369,490,400$594,665,605$727,187,281
Parts of the app. & equip. of 85.17$236,562,193$313,112,135$300,035,350$41,925,243$295,876,132$366,726,895$532,787,143
Total$241,786,509$329,084,654$314,460,456$45,305,315$665,366,532$961,392,500$1,259,974,424