Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$484,306$1,043,258$17,521,351$18,394,366$11,540,958$12,007,017$15,937,299
Parts of the app. & equip. of 85.17$9,192,526$4,138,466$21,995,718$11,156,831$7,420,888$6,140,981$9,114,286
Total$9,676,832$5,181,724$39,517,069$29,551,197$18,961,846$18,147,998$25,051,585