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

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

3?????

4????????

5???????

??(??????????????):?????????,????????????,????????????????,??????

????????????,??????????????????11??,????????????5.8%??????????11?,????????80%???60%????????,??????????,??????????????????????8.7%??29.3%??????????,???21????????????30%??

????,11??,??????50.3%,???????????????????????,?????,?????????????,???????????

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