Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$30,617$270,880$3,916,341$2,919,689$2,095,095$968,309$676,173
Parts of the app. & equip. of 85.17$2,262,299$837,947$945,109$3,289,169$871,231$758,176$1,099,774
Total$2,292,916$1,108,827$4,861,450$6,208,858$2,966,326$1,726,485$1,775,947