??????????????45???

?????2???????5????????? (? ???)?????????????????????(??????????“?”)5?,?????(1?28????????????2???4????????),??45??,??24.4%???,?????2.9????????????????,?28%?

????,???1???????????25????????????1???26?7????,?????????1???24??????2?4?,????28.8?????????????,????2.4??????,?26.3%????,????????9.8?,???????????45.2%,??????????????1.6????,???36.4%?

2??4???,?,???3.2??????????,?????????????2??6??????????????,???????,???????????????,?????????

?,??????????????240???????????,??240????????????,?,???????????

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