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

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

3??????????

4???????

5?????????

??,8????31??,??62??7??1?8????????????31??,???8.87?,??????????????6.7%,???????,8???10???12??????3?????????1600?;??????????6.7??????????,??????????,??

??????,??,????10905????????????????,???636????6.2%?????,??????4.56??????????518.4??,??????????78.1%?10.7%?(?? ??????????)

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