Commodity200520062007200820092010
Telephonic/telegraphic switching app.$379,679$1,978,721$14,255,634$8,635,966$7,886,576$10,163,700
Parts of the app. & equip. of 85.17$795,029$2,511,268$6,388,399$8,553,168$12,568,079$9,345,513
Total$1,174,708$4,489,989$20,644,033$17,189,134$20,454,655$19,509,213