Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$16,049,572$12,191,116$167,035,388$280,246,379$279,878,188$345,992,791$414,054,345
Parts of the app. & equip. of 85.17$134,917,943$131,956,708$217,980,580$219,705,515$144,400,282$167,872,948$172,271,808
Total$150,967,515$144,147,824$385,015,968$499,951,894$424,278,470$513,865,739$586,326,153