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

????:????QQ?:???????

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

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

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

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

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

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