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