?? ???????????????31.9??? ????14.5%
????:1?????????:??95?
2?????
3?????
4???????
5???????vx
??:??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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