????:1???????????????:????

2?300??????

3???????

4???????

5??????????

????:1????????????51.1%????????:???

????:??1????????????????????????????????????????,1?????????,??,??

????,1????,??51.1%,??0.7????,???????????0.2???????????????????????,????51.8%,???????????????1.8?????;???????????4.9??2.0?????????????,????

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