Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$53,996,226$36,945,640$521,334,866$733,748,251$570,722,751$347,252,855$377,769,243
Parts of the app. & equip. of 85.17$501,687,884$554,642,175$882,539,814$1,038,776,046$677,387,280$494,096,831$226,917,210
Total$555,684,110$591,587,815$1,403,874,680$1,772,524,297$1,248,110,031$841,349,686$604,686,453