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

2?????

3?????

4??????

5???????????

?????????????????????,??,??????????????????????

???????,??,?????????????????42.3?????,?????????????????15.3%,???????????????????50%,??????????????111????,??,???,??7.3??????????????

? ???:?????????????11??????,??????????????6400?????,????35%,??????????????,???????????1/3,???????

??????????????,??,????????????,????????????????????????????????????,????????????????,???????????

(?)

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