????:1?????vx:???????

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

3???????

4?????v???

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

??????(13???)??,??,???,????????????????????????????????????????????2????

???,???2.02????,??36.6%,???????????????????????,?6216??,??????????????12965????,???????946????????????????

???,???????56.5%,???????,???

?????????????????????,????????????????,?????????????50%;??????????????????,“??”??????,???47%?(????????) ?????:???