??????????????溣?????????????????????????????????????????????Ч??????
1.??180??????????????
?????????8.9%
?????????12.1%(????3.2%)
??????????14.5%(????2.4%)
?????????16.3%(????1.8%)
?????????17.9%(????1.6%)
??????????????????????????Ч??????????
2.?????????3???????????????????Ч??????????3??????????Ч????á?
????????????6??????
???(2??2??2)???????16.3%
?????(1??2??3)???????15.7%
3.??????????????????????(???????????)???????????????????????????????Ч????????????ε?????????????????????й??
?????800????????(?????????????????4)??
??????????11.2%???????????????20.5%??????????????????3??2??3
??????????11.2%???????????????20.1%??????????????????2??2??4
??????????11.2%?????????????19.7%??????????????????3??1??4
???????????????????????????????￡????????????????????????????????Ч???????????Ч????
4.???????????ú???????????????????????????Ч?????á?
???磺
??????????????????????????????????5?????????15?????????33%??
??????????????????????9??2??5?????????16??????????32.7%??
????????????????????????????????4??2??11?????????17?????????32.9%
??????????????????????????飬??????????????????????????????
5.???溣??????????????????????????????????????30????????????е?????ξ???????????????????????????Σ????????????????????????????????????????????????????ο???????????Щ???????????????2??????Щ???????????1??Ч???á?
????????????Σ????????????β????????????????????????????????????????????????????????????????Σ?????????????????С??λ?????????ξ?????????????????????????С??λ????仯?????????ξ????????????
???????????????????????????????????????????????????????Щ????????????С????????????ε???棬??????????е???ζ???С?????????棬???????????????????
6.??????????????????????????????????ó??????
???????????10?????????51.6%
???????????20?????????74.5%
???????????30?????????89.4%
???????????40?????????100.5%
???????????50?????????109.3%
???????????60?????????116.7%
???????????70?????????122.9%
???????????80?????????128.4%
????????λú????????????????????????????????????????????????????????????????а?????
????????????????????????????????????????40407???????40407????????
