Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$3,278,919$431,710$622,262$24,286$1,586,872$2,741,246$4,469,297
Parts of the app. & equip. of 85.17$10,601,671$10,801,692$11,966,630$11,521,516$9,770,494$14,619,409$10,034,921
Total$13,880,590$11,233,402$12,588,892$11,545,802$11,357,366$17,360,655$14,504,218