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

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

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

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

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

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

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