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