Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$114,464,023$161,031,892$174,308,766$327,170,999$412,877,401$634,151,646$701,390,320
Parts of the app. & equip. of 85.17$194,066,912$224,599,675$160,001,585$193,647,272$210,106,255$267,380,013$314,755,226
Total$308,530,935$385,631,567$334,310,351$520,818,271$622,983,656$901,531,659$1,016,145,546