Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$15,392,523$7,208,015$392,426,493$497,595,393$466,888,068$569,015,003$292,787,287
Parts of the app. & equip. of 85.17$25,947,478$34,235,749$70,531,411$117,528,504$61,989,540$50,905,810$77,936,842
Total$41,340,001$41,443,764$462,957,904$615,123,897$528,877,608$619,920,813$370,724,129