Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$20,669,121$25,750,735$730,863,776$1,747,701,334$1,719,278,380$2,234,975,280$2,207,583,359
Parts of the app. & equip. of 85.17$730,680,449$1,233,559,086$1,727,284,681$1,060,986,345$538,151,331$656,437,400$819,977,326
Total$751,349,570$1,259,309,821$2,458,148,457$2,808,687,679$2,257,429,711$2,891,412,680$3,027,560,685