????:1???????:?????

2?????????

3??????????????

4??????????

5?400?4??????

??:?????????????????6???28????????????15?????????????????,?????????????,?????????????

15??????????,????135.3?????????????????????,??5.9%?????,?????????????

?????,15???????????????????,??5.7%,????,???6.1%,???

????,15????,????????????????5.9%,????????14??0.9????????????????????????????????????????,???????????????;???????????????

????,????15??,??????????????????11.4%,?????????????14????????????????0.4?????????????????5?????????????????,????????????????,???,5????????12.6%,?4????????????????3.7?????

?????,???????????????15??,?????????,5???,??

???????????:????