?? 15????????????????3.4%
![](https://image.chezhanri.com/2019/0227/20190227180649600.jpg)
????:1??????????:?????????
2???????299??
3???????
4????????????
5?????????
????????????????????????(????????????????):???????(6??????????????27???????????)?????,15?????????????????,??27543.8????,????3.4%,???????????
???,????????????,?????????,?,????????????,?????????11.5%,??3.6????,????????????,?????????????10.9%?
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