Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$818,103$2,999,803$13,509,459$41,058,399$55,360,091$130,599,968$204,726,770
Parts of the app. & equip. of 85.17$36,595,897$62,086,984$152,520,130$267,700,439$300,688,276$376,705,413$419,588,856
Total$37,414,000$65,086,787$166,029,589$308,758,838$356,048,367$507,305,381$624,315,626