Commodity200520062007200820092010
Telephonic/telegraphic switching app.$56,262$18,913$20,246,363$31,015,150$99,657,718$55,875,505
Parts of the app. & equip. of 85.17$927,189$3,330,165$7,341,115$43,324,157$34,751,406$14,971,763
Total$983,451$3,349,078$27,587,478$74,339,307$134,409,124$70,847,268