Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$1,000,748$3,830,535$3,002,204$3,121,835$1,554,206$706,581$1,649,386
Parts of the app. & equip. of 85.17$2,858,122$4,566,579$3,106,207$2,321,418$1,246,440$996,860$1,421,364
Total$3,858,870$8,397,114$6,108,411$5,443,253$2,800,646$1,703,441$3,070,750