??,?????????1974??????????????,????7053?????50??????,????????????,?,?184??,??56????????????????22?????????,???????????20?????11.5???????,????1???????,???????,?????????,????,??????,????????????????50????
???????????? ?????? ??? ?? ??
??:????
???????4.3%????66?
???????????????????????
???????????????????????
???????4.3%????66?
??-???????????????????
????????8?18??????????
????????«????»?S?F4????
?1??????????????????|GIF
????23?????????????
«????»????????????
????????????????????
????????????“????”???
2017??????????????????6.6%…
«????8»??????BB-8??????
???????????0.6%?????????
?1??????????????????|GIF
??????????1???
????????????????????
????:???????????????
????:???????????
????“??”???1270???5???
????????????“????”???
???:??????????????????
????:????????????????
????:??8???????????