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

2????????

3??????????????

4????????

5?????????

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

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

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

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