Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$1,931,223$3,080,671$956,570$27,761,193$33,505,539$26,154,207$26,189,684
Parts of the app. & equip. of 85.17$1,232,453$2,684,281$1,325,914$2,936,189$1,196,944$8,658,097$5,644,895
Total$3,163,676$5,764,952$2,282,484$30,697,382$34,702,483$34,812,304$31,834,579