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

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

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

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

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

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

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