Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$971,036$1,409,514$26,780,807$20,022,814$18,585,385$20,330,094$15,268,394
Parts of the app. & equip. of 85.17$8,742,506$6,926,649$18,074,272$17,335,925$27,734,056$17,513,234$10,371,915
Total$9,713,542$8,336,163$44,855,079$37,358,739$46,319,441$37,843,328$25,640,309