Commodity200520062007200820092010
Telephonic/telegraphic switching app.$24,720,388$24,994,700$28,488,283$38,314,793$9,669,664$18,389,777
Parts of the app. & equip. of 85.17$23,935,935$14,655,276$36,147,728$13,891,578$31,970,856$11,625,792
Total$48,656,323$39,649,976$64,636,011$52,206,371$41,640,520$30,015,569