Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$37,278$59,357$3,207,767$12,465,328$8,989,554$9,732,619$7,767,051
Parts of the app. & equip. of 85.17$3,567,414$4,660,677$4,605,229$9,766,815$11,566,740$10,336,048$7,258,510
Total$3,604,692$4,720,034$7,812,996$22,232,143$20,556,294$20,068,667$15,025,561