Commodity200520062007200820092011
Telephonic/telegraphic switching app.$3,074,652$1,074,802$603,365$546,409$9,936,215$881,371
Parts of the app. & equip. of 85.17$720,035$219,340$2,380,495$147,342$7,861,555$7,376,638
Total$3,794,687$1,294,142$2,983,860$693,751$17,797,770$8,258,009