Commodity200520062007200820092010
Telephonic/telegraphic switching app.$1,140,342$2,028,441$9,447$3,753,034$5,647,394$5,147,844
Parts of the app. & equip. of 85.17$37,429,143$18,183,647$16,152,915$25,138,556$18,309,505$12,755,083
Total$38,569,485$20,212,088$16,162,362$28,891,590$23,956,899$17,902,927