Commodity200520062007200820092010
Telephonic/telegraphic switching app.$557,172$562,067$139,425$78,996$40,956$7,416,592
Parts of the app. & equip. of 85.17$727,251$235,237$244,792$757,249$6,206,592$967,059
Total$1,284,423$797,304$384,217$836,245$6,247,548$8,383,651