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

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

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

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

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

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

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??:???????????,??????????,??????????????