????:1???????100????:????????

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

3?????????100?????

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

5??????????????

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

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

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

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