Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$20,706,182$24,353,251$326,534,223$537,784,367$386,762,906$437,959,610$674,573,409
Parts of the app. & equip. of 85.17$45,946,039$65,914,985$112,966,429$125,563,509$57,672,497$84,356,814$85,952,662
Total$66,652,221$90,268,236$439,500,652$663,347,876$444,435,403$522,316,424$760,526,071