Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$126,128,179$109,955,778$832,133,440$990,210,067$815,971,553$767,699,333$857,588,193
Parts of the app. & equip. of 85.17$280,443,688$423,107,026$730,955,015$857,961,209$494,080,094$453,286,258$305,343,539
Total$406,571,867$533,062,804$1,563,088,455$1,848,171,276$1,310,051,647$1,220,985,591$1,162,931,732