?? ?:????42.9??? ????????????4.32???
????:1??????????:????
2??????
3?95?98?????
4???????????
5???????
?9????30?????????????? ???????30???????“????”?,??,?????,??42.9???????????4.32????,???????16.8%?????????17.1%,???2019??????????,??????,?,????????????????,??????????????????????????
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