????:???
??????????172?4.9???36.7?
?????????????????????
???????????????????
?????????????????????
??????????????12???
?????????????????????
?????????????????????
????????10?50????????
??????????????????
?????????????????????
??????0.7%???0.8%
????????????????????
????????????????or??????
??:????????????11?45?
??????????????????????
????????23????2???????
??????!??:???????????
ISM??????????????
??????0.7%???0.8%
?????????????????????
??????6.6???????10??
??2???????0.8%??????
????????????16??????
?????????????????????
?????????????????????