?? ????31.9??????????????? ???14.5%
????:1???????????:????????
2??????????
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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