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

2?????200??500????

3?????????

4????????

5???????

?????????????????,????????????????????180.3??????,?13.7%????????,???????86.9???????,??11.1%;????????????????????74.9?,??????12.8%;????????????????18.5??,???33.6%?????6.7?????????????(?????????????????????)????????????????????????,??????????14.7%?

?????????????,???????????????,????????????????,??????????????????????????????;????,??????,?,???,?30???????;??,???????,??,???????????????,????

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