Commodity2005200620072008200920102011
Telephonic/telegraphic switching app. $34,654$68,995$815,926$39,787$92,760$25,209
Parts of the app. & equip. of 85.17$67,344$42,218$204,183$242,023$100,565$70,868$20,132
Total$67,344$76,872$273,178$1,057,949$140,352$163,628$45,341