Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$2,341,165$11,077,232$17,032,064$19,953,962$19,905,825$175,517,839$626,154,368
Parts of the app. & equip. of 85.17$22,562,019$11,641,964$416,558,345$444,997,381$263,427,953$293,143,794$333,123,920
Total$24,903,184$22,719,196$433,590,409$464,951,343$283,333,778$468,661,633$959,278,288