Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$100,254$133,821$773,637$798,771$2,275,351$4,434,476$5,666,024
Parts of the app. & equip. of 85.17$368,522$474,245$346,323$1,291,136$422,535$1,779,015$1,061,746
Total$468,776$608,066$1,119,960$2,089,907$2,697,886$6,213,491$6,727,770