Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$5,173,984$4,392,433$24,169,358$41,925,921$32,174,720$72,836,414$99,786,898
Parts of the app. & equip. of 85.17$19,809,468$13,960,141$40,663,459$27,519,309$17,031,332$20,300,618$38,693,967
Total$24,983,452$18,352,574$64,832,817$69,445,230$49,206,052$93,137,032$138,480,865