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

2?????

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

4????????600

5?400?4???????

????8?6????? (???? ?????????????)??6???,7????????????????4.4%,????????????6???0.7??????????

????,?????????????????????7?????????????????????????????????????????,??????????????6??0.1%??7??2.3%???7??,?????3.7%,?2%????4%???,?????

????????,??????7?,??6?6.5%??7????6.7%???????????,?,???????????????,?6???????22.5%?20.9%????,????????????,8????????20%????

??????????????,??????7??????????????1.9????????????,?8??????1????“????????????”??,???????????45????????(????5.6???????)??,???????????????,??,??????????(???) ???:?????