Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$8,514,056$9,238,833$541,499,662$527,747,302$393,216,422$591,443,760$825,276,566
Parts of the app. & equip. of 85.17$61,831,987$97,751,546$275,323,159$303,569,612$240,751,018$367,283,668$430,785,450
Total$70,346,043$106,990,379$816,822,821$831,316,914$633,967,440$958,727,428$1,256,062,016