Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$551,530,938$371,562,901$623,653,357$1,450,509,320$709,599,375$1,556,608,646$1,777,284,791
Parts of the app. & equip. of 85.17$267,314,213$225,890,207$291,073,985$388,239,953$268,204,495$534,534,333$685,025,541
Total$818,845,151$597,453,108$914,727,342$1,838,749,273$977,803,870$2,091,142,979$2,462,310,332