Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.    $97,033$280,375$165,465
Parts of the app. & equip. of 85.17$815,479$3,077,662$3,818,493$2,130,674$253,734$464,568$956,861
Total$815,479$3,077,662$3,818,493$2,130,674$350,767$744,943$1,122,326