????????k?

?2017??

2018062911:58  ?
 
??2017 ??

?????Ͱ?2017???20163.6%20174.3%??2012???????

??????????????????????????????????8.2%

?2017????28%??10%??O2O201730%?O2O?????????76%?2017?7.7%??98%?????0.4%??2017????????

(???)
 
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