Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$27,230,496$18,577,687$79,565,464$100,929,838$74,539,425$64,281,235$61,872,001
Parts of the app. & equip. of 85.17$38,991,676$30,452,933$50,041,423$74,300,063$36,080,201$29,649,548$32,523,806
Total$66,222,172$49,030,620$129,606,887$175,229,901$110,619,626$93,930,783$94,395,807