??“???”?????13?? ??????11.5%

????:??????????:???????150?

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