Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$13,767,611$1,576,361$445,447$182,793,308$161,602,118$165,351,857$169,739,808
Parts of the app. & equip. of 85.17$68,114,879$20,095,614$5,013,248$303,882,306$91,245,397$80,781,254$99,067,654
Total$81,882,490$21,671,975$5,458,695$486,675,614$252,847,515$246,133,111$268,807,462