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