Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$10,578,113$17,230,115$17,104,607$24,708,013$17,613,880$34,944,901$25,422,598
Parts of the app. & equip. of 85.17$41,066,846$25,056,949$22,670,901$67,220,832$144,569,640$59,849,790$115,893,455
Total$51,644,959$42,287,064$39,775,508$91,928,845$162,183,520$94,794,691$141,316,053