Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$2,516,384$1,543,289$2,336,609$135,334,761$114,888,903$127,887,943$160,949,469
Parts of the app. & equip. of 85.17$14,692,957$12,811,904$11,583,605$33,703,625$12,214,749$15,991,698$37,029,352
Total$17,209,341$14,355,193$13,920,214$169,038,386$127,103,652$143,879,641$197,978,821