Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$123,667,814$82,970,516$793,591,323$908,762,412$704,130,637$978,806,043$833,449,888
Parts of the app. & equip. of 85.17$76,526,680$91,235,341$127,917,517$176,629,476$153,211,934$190,432,334$252,894,958
Total$200,194,494$174,205,857$921,508,840$1,085,391,888$857,342,571$1,169,238,377$1,086,344,846