??????????????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???????????,????????????,????

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