Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$20,334,631$10,886,187$247,859,966$314,761,293$263,772,297$245,312,896$241,162,216
Parts of the app. & equip. of 85.17$100,670,539$88,295,891$163,974,324$175,814,092$156,145,533$169,595,679$98,359,469
Total$121,005,170$99,182,078$411,834,290$490,575,385$419,917,830$414,908,575$339,521,685