????:1?????????,??????:????????????

2???????

3???????

4???????

5???95?98???

??????????????????????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%??????

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