Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$75,181,462$61,612,742$339,863,242$469,407,954$504,607,958$647,554,484$697,838,745
Parts of the app. & equip. of 85.17$205,480,662$179,851,487$257,546,058$246,449,465$373,270,314$381,255,671$315,282,698
Total$280,662,124$241,464,229$597,409,300$715,857,419$877,878,272$1,028,810,155$1,013,121,443