?????????????????
???2?17????????? ?????????(?????????�??????�)17?,???????????37.7%???????????????,??????2????????????????????
???????????,????????,??�?�,???????????????
?????????????????,???35??????,??????????????????5??????????????????????????,?,????????????,??????????,??
????????????????,?????????????????,?(54.3%)????????????????????,??????2???????????,???????????????3.5?????????????
????????????????????,??,????????????????,??????????????????(46.6%)?????
?????????????�??�??????????????????,?????,??????????12?????17?????12.5%??????18.4%,????????????????,?????????(????) ????????????:??