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

2????????

3?????????

4????????

5?????

21??,????????????????????????????,????,?????????????,????21??????????????????????

9????????????????????????????24??28?????,??????????21????????????????????,???????????????????,?????????????15?????,??????????????

??????????????,???????????10???????????,????2.3?????????????,?????????????????????????????????????

????????????????????8????????,?2441.3?,???21.8%,??????????52.6%,?????????????

???????????????? ?

?????????21??????????,????????,??????,??

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

????????????,???,??????????,??????????????2100??????????????,???????????9????,???,?????3.1????,????6500???,?????,???2??????????????

???????:?,???????????????????,???? ??:????