Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$22,720,639$147,394,214$246,946,180$287,288,315$277,311,480$208,976,819$318,891,902
Parts of the app. & equip. of 85.17$422,968,028$258,989,994$195,400,027$345,003,662$249,758,285$130,414,155$119,242,457
Total$445,688,667$406,384,208$442,346,207$632,291,977$527,069,765$339,390,974$438,134,359