Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$132,318,030$151,893,027$65,527,221$195,691,885$2,049,749,702$1,400,191,019$1,307,571,183
Parts of the app. & equip. of 85.17$323,792,969$443,812,262$649,816,740$310,949,534$2,510,062,774$2,810,450,737$2,725,714,164
Total$456,110,999$595,705,289$715,343,961$506,641,419$4,559,812,476$4,210,641,756$4,033,285,347