????:1?400??????:?????????

2??????300??

3???150???????

4?????????????

5?????????

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