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