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

2???????

3?????????

4??????98?

5????????

????8?????????????????31???? (????? ???????)???????????????8???????????????????31???????????????,8??????????50.3%,??20??50%??,????

??,???,?????0.6???0.1??;?????????????????????????????????????????????????????????????????,????0.3??????????2?????????????

??????,8?????????????,?????????????????50.3%,??????20??????????????????????50%?????????????????,?????????????????50%?????,???

??????????????,???????8???????????????????,???????50.2%,?????0.2?????,???????,???????,??

??,?????,?????????????????????????55%??????????????????????;?????????????????,????????,??????60%??????????????

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