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

2???????

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