Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$465,966$188,839$1,322,442$2,387,637$257,667$495,086$644,280
Parts of the app. & equip. of 85.17$5,213,848$6,863,388$5,720,499$7,766,769$10,081,239$4,270,589$5,905,587
Total$5,679,814$7,052,227$7,042,941$10,154,406$10,338,906$4,765,675$6,549,867