Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$2,608 $7,469$812$907,327$2,218,360$2,749,897
Parts of the app. & equip. of 85.17$217,038$330,427$736,152$132,974$927,357$753,491$1,987,857
Total$219,646$330,427$743,621$133,786$1,834,684$2,971,851$4,737,754