?? ?????“??”??????13??? ??11.5%
????:1?????????:????95??
2????????
3?????400?4?????
4?????wx
5?????????
??11???4?????? ??4??,??17???,??“????”?????,??13.17?(???,?)?
??????????,???,?640???,?40%,?????2.33??,??????????????,??????????????????
??,?????????????????????,??3.65???????3.18????????2.96??1.79???
??????????????,?????767???????????,???;???????????315?????;??1.85????????????
???“??”???,??11??3???49?,???“????”??????5?????????????11.5%?
???????????,??,??4????,??????????????????????
?????????????,????“??????”??1.99??,??3????692????,????97.97??(?????) ??:???