Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$84,352$20,786$20,864$111,954$267,198$3,072,829$3,722,944
Parts of the app. & equip. of 85.17$453,954$317,723$580,794$902,035$487,547$3,631,227$1,362,442
Total$538,306$338,509$601,658$1,013,989$754,745$6,704,056$5,085,386