Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$2,263,019$3,118,587$96,979,478$95,161,711$108,760,927$133,578,067$151,228,602
Parts of the app. & equip. of 85.17$166,827,837$176,673,145$148,250,619$114,801,840$115,390,449$110,205,758$96,762,269
Total$169,090,856$179,791,732$245,230,097$209,963,551$224,151,376$243,783,825$247,990,871