2017????У???????2017??????????ж?λ??
ε????С漰н?????λ???棬?彡䴙?????档?2017?????2.53?????2.642.27?2016?5???
У?λ??2.21???䶮???????3.002.87н2.34?λ?2.25?72.0%?2017?н??У34.6%??????????19.4%??/????14.1%
?棬?????1.96??????2.282.39????2.72?????????滮?澵?????滮???????????????????????Ч???????????????
?б
α??)
?
