????:1?400?4??????:????

2???????

3?????????

4???????????

5???????

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

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

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

????????????????,?????“?????????”??,???????(????????????????) ????????????????????:????