Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$48,141,049$54,166,500$1,484,573$52,948,819$53,153,356$50,753,613$63,432,599
Parts of the app. & equip. of 85.17$82,636,079$70,450,527$4,438,556$127,079,067$152,956,452$132,646,963$204,741,288
Total$130,777,128$124,617,027$5,923,129$180,027,886$206,109,808$183,400,576$268,173,887