Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$221,617$728,818$314,236$486,300$38,055,111$33,626,799$36,811,876
Parts of the app. & equip. of 85.17$18,911,894$18,343,459$12,886,438$20,217,328$7,183,302$3,993,695$33,015,301
Total$19,133,511$19,072,277$13,200,674$20,703,628$45,238,413$37,620,494$69,827,177