Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$5,211,233$5,229,158$752,023$29,514,295$24,321,577$22,517,279$32,143,379
Parts of the app. & equip. of 85.17$37,308,458$12,705,369$11,808,159$28,544,376$17,131,255$12,752,725$14,415,655
Total$42,519,691$17,934,527$12,560,182$58,058,671$41,452,832$35,270,004$46,559,034