?? 15????????????????3.4%
![](https://image.chezhanri.com/2019/0812/20190812143450469.png)
????:1???????????:??????
2?????
3???????
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5?????????????
??????????(????):??(6??27????)????,15???,?27543.8??,??3.4%,????????????
????????????????????????,?????,?????????????????,?,?????????????????,??????11.5%,????????????????3.6??????????????,????????????????????????????????,?????????????10.9%?
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