???? ???4.6?????????????

???????????2??????????????4???? (????? ????????????)????“?????????????????”“?????? ??”???240?????,?????????4??????????????????,?????4.6?????

????,??31????????????????????2220?,??????????16.6%?16.5%,????2550??????????240????;???????????????6???12?????,??1.5????,??45%,???????????8%?

????????,?????????????????????????????????????????2100????,??????????????????,???1634????????????5.1%,?????????160.1?(????????,???)????42.9%?

????,?????,????????????????,“??????????+”?,??,“???”??,????100%?

????,??,????“????”??,??“????”?????????273????????,???(?)20????,?????(????????) ??????:?????????