Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$718,987,871$511,150,884$13,619,794,430$17,706,333,903$15,455,516,081$22,684,706,209$24,083,306,876
Parts of the app. & equip. of 85.17$8,691,075,110$9,266,696,031$8,231,514,048$7,733,830,165$6,123,265,102$7,169,097,381$6,222,198,676
Total$9,410,062,981$9,777,846,915$21,851,308,478$25,440,164,068$21,578,781,183$29,853,803,590$30,305,505,552