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

????:???51?????:???????????

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

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

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

???:??