Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$4,980,182$4,263,474$60,798,853$69,194,240$105,130,924$74,474,101$75,706,952
Parts of the app. & equip. of 85.17$59,502,265$53,391,147$90,907,823$82,723,743$48,727,415$48,503,755$92,993,420
Total$64,482,447$57,654,621$151,706,676$151,917,983$153,858,339$122,977,856$168,700,372