?? ???????????????31.9???? ???14.5%
????:1???????????:????????
2????????6???
3???????
4??????????
5????????????
?????????????:????????????????11??22?????,???????10??,?31.9??????????,????14.5%????,???????????7.9??,??48.0%;???4.9????,????20.3%?110???,??7181??,????????8.3%;???4502????,????20.7%?
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