Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$133,504,029$112,874,710$1,550,227,296$1,480,811,208$1,166,622,275$1,348,910,260$1,617,936,527
Parts of the app. & equip. of 85.17$2,816,623,741$3,230,287,285$3,009,869,144$1,427,855,303$711,958,193$640,363,833$539,473,409
Total$2,950,127,770$3,343,161,995$4,560,096,440$2,908,666,511$1,878,580,468$1,989,274,093$2,157,409,936