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