Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$8,586$19,353 $42,536$50,982$271,867$128,962
Parts of the app. & equip. of 85.17$119,836$77,147$42,471$29,728$46,473$78,237$17,438
Total$128,422$96,500$42,471$72,264$97,455$350,104$146,400