?? ??????6???3.7%
![](https://image.chezhanri.com/2019/1112/76fd1296afae5c6044614879c09b1412.jpg)
????:1???????:?????????
2???????
3?????????
4?????
5?????????
??????7??????5?? ????????5????,6???3.7%?
??,???6????????0.2??,???,??????5.4%?3.7%?????????????6??????????,????????????3.5%?
??6????????????????,???????????????????????5???????????0.9%?????????6?0.1%???,????????,??(??)
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