Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$43,711,425$36,270,632$768,371,043$889,588,167$669,760,865$676,050,970$562,350,788
Parts of the app. & equip. of 85.17$264,245,205$231,194,821$353,567,447$407,255,772$238,263,198$262,887,710$277,319,580
Total$307,956,630$267,465,453$1,121,938,490$1,296,843,939$908,024,063$938,938,680$839,670,368