Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$32,881,884$19,250,895$128,341,237$101,864,560$84,594,319$90,599,676$75,093,039
Parts of the app. & equip. of 85.17$21,216,159$13,867,528$14,760,027$16,833,580$8,534,699$11,341,656$16,011,765
Total$54,098,043$33,118,423$143,101,264$118,698,140$93,129,018$101,941,332$91,104,804