Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$9,948,419$6,429,004$5,244,791$163,782,772$149,540,524$164,600,028$203,562,559
Parts of the app. & equip. of 85.17$33,611,381$28,001,277$5,234,581$68,381,565$66,568,634$71,199,947$74,012,182
Total$43,559,800$34,430,281$10,479,372$232,164,337$216,109,158$235,799,975$277,574,741