?? ???????????????????5.1%
????:1?????????????:?????????
2??????????
3?????
4???????
5????????????
?????????????????????????10????????????????14??????????????????? (???????????????? ????????????????????)?????????????14???,???????????????????4.62??,?5.1%?
?????,???????????????,?????????????8.6%?13.4%;?????????????????????????14.4%?34.3%?????????????,????????????????????????
??,????????????????????????????????,?????????????????,????????????????????,??????,???
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