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

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

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

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

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

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