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

????:????????:??????51??

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