????:1?????:????????

2???????

3??????????

4?????????

5???????

??7??????????????23??? ???????23????,6?????????????????,??????????9.44?????,???8.89?????????5???????,6?????10%,??????9.7%?

?????????????????????,??,6?????(1.84????)?????(1.64?????)???????(0.89??????)?????(0.85??)?

?,????,?????66.2?????(?1.02?);???????,???61.2????(?0.94???);??????????????????????,????????56.3??(????0.87??)?(?????) ????:??????