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

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

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

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

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

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

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