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