Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$23,040,229$8,027,270$319,033$335,895,821$221,512,407$158,804,397$31,829,586
Parts of the app. & equip. of 85.17$80,332,923$20,654,935$89,081,132$22,618,220$129,263,743$310,648,642$43,817,958
Total$103,373,152$28,682,205$89,400,165$358,514,041$350,776,150$469,453,039$75,647,544