Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$1,129,297$1,107,518$8,249,863$8,519,770$17,419,882$14,899,205$17,813,282
Parts of the app. & equip. of 85.17$3,506,356$6,365,924$11,827,336$7,096,464$6,436,229$11,358,405$13,775,807
Total$4,635,653$7,473,442$20,077,199$15,616,234$23,856,111$26,257,610$31,589,089