Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$5,246,725$11,269,943$5,640,149$54,486,478$97,076,702$160,750,083$169,932,941
Parts of the app. & equip. of 85.17$189,081,748$170,350,714$607,353,774$478,638,539$409,291,002$414,938,051$295,281,694
Total$194,328,473$181,620,657$612,993,923$533,125,017$506,367,704$575,688,134$465,214,635