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