Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$1,624$176,462 $129,024$508,790$853,462$302,725
Parts of the app. & equip. of 85.17$102,838$509,556$185,220$826,668$709,614$452,385$2,292,862
Total$104,462$686,018$185,220$955,692$1,218,404$1,305,847$2,595,587