?? ????31.9??????????????? ???14.5%
????:1?????:????????
2?????
3??????????
4???92?95?
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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