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

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

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

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

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

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

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