????:1???????:?????300?????

2?????

3??????

4???150??????

5???????

??10???14?? (??????????????????? ???????????????????????)???????????????14????????????????????,?????????????????????????4.62??????,???????????????????5.1%?

?????,?????????????,????????????????????????????8.6%?13.4%;???????????????????????????????14.4%?34.3%????,????????????????????????????????

????????????????,????????????????????????????,????????????????????,??????,??,??????

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