Commodity200520062007200820092010
Telephonic/telegraphic switching app.$29,549,125$53,000,428$353,972,918$140,272,442$14,133,204$283,180,621
Parts of the app. & equip. of 85.17$208,200,160$337,031,412$252,579,380$282,585,153$251,922,265$427,976,268
Total$237,749,285$390,031,840$606,552,298$422,857,595$266,055,469$711,156,889