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

????:?????????:??t???

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

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

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

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

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

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