Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$251,885$1,120,538$734,464$18,045,178$16,076,086$14,873,492$17,660,384
Parts of the app. & equip. of 85.17$2,782,476$326,695$88,278$494,427$232,993$589,485$1,107,851
Total$3,034,361$1,447,233$822,742$18,539,605$16,309,079$15,462,977$18,768,235