Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$1,448,495,522$1,636,370,574$15,216,114,575$19,428,364,368$18,583,266,119$22,177,638,256$25,528,720,981
Parts of the app. & equip. of 85.17$1,859,192,276$2,026,927,281$21,302,597,038$24,565,852,761$22,062,303,474$30,470,541,751$38,246,348,005
Total$3,307,687,798$3,663,297,855$36,518,711,613$43,994,217,129$40,645,569,593$52,648,180,007$63,775,068,986