y??? ???
?119? y??????2017?lM????????2017????
?116????????2017????????1.2?
??
?2017??????2.64(??055?)???2016?2.332015?2.28?????
?????2.17?27.5%??54.7%??2017?y???24.2%??????32.8%???????2.43????2.47
???85%?????21.3%???510??33.3%????25.5%????
???
????????8001?10000????(2.93)?2000???(1.83)?????????????????(2.36)
???????3.08???(???)??2.79????(2.58)
??208070?????????1995?????(2.42)
?????2017?24%????22.1%?????(/?)
??
??