?????????????????

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????2??17??????????? ??????(?????????????“???”)17????????????????????,????37.7%?????????,???????????????2????

????????????????????????,??????????????,???“??????”,??????????

?,??????????????????35????????????????,?????5???,??????????????????,?????,????????,???????????

??????,????,??(54.3%)????????????,??2??????????????????,?????????????????3.5?????????

????????????,?????????????????,????????????????,??????(46.6%)??????????????

????????????“????”???????????????????,??????,?12??????????17?????12.5%????????18.4%,?????????????????????????,???(????????????????) ??:??????????

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