Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$131,300$107,265$2,865,096$6,112,114$5,658,636$10,796,688$15,721,843
Parts of the app. & equip. of 85.17$370,199$472,300$1,110,695$3,878,437$3,402,118$2,384,510$3,489,407
Total$501,499$579,565$3,975,791$9,990,551$9,060,754$13,181,198$19,211,250