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

2?????????

3????????500???

4?????????

5????????????400??

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

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

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

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