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

????:???????:????600??

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

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

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

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

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

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