Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$56,494,997$42,593,463$33,815,494$5,028,162$564,621,540$640,958,053$527,704,247
Parts of the app. & equip. of 85.17$210,714,693$195,551,160$228,258,514$50,286,587$296,582,629$365,488,678$355,861,947
Total$267,209,690$238,144,623$262,074,008$55,314,749$861,204,169$1,006,446,731$883,566,194