Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$21,800,468$49,950,060$20,162,279$41,863,092$10,498,760$3,988,972$10,557,736
Parts of the app. & equip. of 85.17$67,905,850$94,945,914$104,160,194$33,752,933$29,778,730$21,479,063$25,541,118
Total$89,706,318$144,895,974$124,322,473$75,616,025$40,277,490$25,468,035$36,098,854