Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$29,867,842$35,875,702$1,059,776,556$1,049,922,105$693,844,633$853,439,326$1,234,111,685
Parts of the app. & equip. of 85.17$81,822,886$129,956,355$130,534,580$120,669,765$356,535,353$401,955,709$413,205,997
Total$111,690,728$165,832,057$1,190,311,136$1,170,591,870$1,050,379,986$1,255,395,035$1,647,317,682