Commodity200520062007200820092010
Telephonic/telegraphic switching app.$75,264,781$41,775,537$85,275,264$82,045,107$74,208,398$68,703,452
Parts of the app. & equip. of 85.17$199,115,842$171,352,591$240,476,590$219,424,514$106,815,259$90,640,440
Total$274,380,623$213,128,128$325,751,854$301,469,621$181,023,657$159,343,892