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

2????????????

3????????

4???????????

5???????

??:????7??29?????,????????????,??36.7??,??76.1?????????,??????????

??,????????????????????36.7??????????????????76.1??,??18.5%?6.8%??“??”????,????????????????????????????????????????????????,??2.8???????,??????????????,??4655??????????????12???????,????“????”“??”????????????????,????????????????“???????????”??,?????????2.5??????????,????44.1%?

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