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

????:?????:??????????

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

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

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

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

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

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