?:??????
??3?????????0.2%
?????????????????????
??????????????????
???????????????IPO????
????:??5?????????????
???????10????3-2????????
????????2????????????
2017???????????:??????
?????????????????????
??????:????????????
??:???3???1???1????????
????2016????2146??????????…
????:????????????????
??:?????5-0????????????
???????10????3-2????????
?????1?????????:??????
??????????:????????
????????????????????
2017???????????:??????
???????3????8????????
??????????404????(?)
??????????????00????2??
????????????470?:???3?1?
???????100??????????1500
???1????????????????