Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$32,796,922$26,886,962$290,806,147$323,113,388$207,196,169$244,654,248$348,005,274
Parts of the app. & equip. of 85.17$335,893,350$173,986,666$526,499,628$588,927,899$286,854,283$161,943,794$120,013,656
Total$368,690,272$200,873,628$817,305,775$912,041,287$494,050,452$406,598,042$468,018,930