Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$538,147$980,857$24,842,962$40,896,197$24,775,191$66,694,502$39,196,451
Parts of the app. & equip. of 85.17$5,352,126$6,574,733$15,812,899$15,098,988$21,191,794$24,290,591$33,259,826
Total$5,890,273$7,555,590$40,655,861$55,995,185$45,966,985$90,985,093$72,456,277