Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$379,387$652,254  $11,745$5,904,841$26,098,599
Parts of the app. & equip. of 85.17$28,753,996$7,563,003$11,864,589$12,036,788$22,054,360$50,923,738$112,105,433
Total$29,133,383$8,215,257$11,864,589$12,036,788$22,066,105$56,828,579$138,204,032