Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$6,410,067$7,984,690$16,028,022$22,718,588$23,338,877$23,701,006$36,292,090
Parts of the app. & equip. of 85.17$20,166,063$20,014,787$30,443,523$41,785,943$18,771,940$29,411,838$27,773,886
Total$26,576,130$27,999,477$46,471,545$64,504,531$42,110,817$53,112,844$64,065,976