????:1??????200??500:????????

2???????????

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

4????????

5?????????

??:??,???,??????????????????8.8%?

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

???????????????????,?????????????8???,??63????????????????,??????????8.8%????????????,?????????????15.74?????????,???10.5%,???55.1%;?8.4?????????????????,?????1.5%?

??????????????,??????????????????,???????8?????????????,????????????????????5???????,???????

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