Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$745$71,720$100,951$5,004,837$747,651$451,699$561,543
Parts of the app. & equip. of 85.17$74,544 $117,566$322,965$429,478$851,228$355,638
Total$75,289$71,720$218,517$5,327,802$1,177,129$1,302,927$917,181