????:1?????????????:100?1?????

2???????

3???95???

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

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