???????????????????????????,??,????,????(?????????????:?? ??????)
????:????
????2016???54?PB??????????…
?????????????????“????”
?????????24400?
???????????????GB????
???????????????????????
???:1-2???????5640????8.6%
????????:??4?????????
????!?????????????
2017????????????????????
70???????856?:??????????-?
???????????????:??????
??????:?????????????
?????????????????“????”
???????????????:??????
???:?????????????????
????????????????????
???????????????????????
?????“??????”:???????
?????????????????????
????MC?????????????????
????????????????????????
???·?????«??»??????
????2016???48.6???????4.3%
?????????????????
??????????!?????????