Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$1,757,903$1,278,772$19,699,601$30,654,948$28,367,529$26,268,600$22,051,014
Parts of the app. & equip. of 85.17$11,398,123$10,064,331$5,738,925$18,447,406$12,546,324$13,000,162$8,643,641
Total$13,156,026$11,343,103$25,438,526$49,102,354$40,913,853$39,268,762$30,694,655