???????1???????????24?? ????????????,??????????23???????,???????????,?????????????????????????????????
????:??
??,??????????35???,1961???,1963????????????,1968??;????????????,1968????????????????
??:??????
3????????16.3%??????????L?…
??????!???????????????
????????8?18??????????
????!????????????????
????????????????????
????!????????????????
????????:????3??????
????:????????????
????23?????????????
????????????????????
??!????????“????”BBC????
?????????:??????????????
????23?????????????
?????????:??????????????
??!??????????????????
???100???7????5???????
??:???????????14???????
?????????????????????
2017??????????????????6.6%…
????????????????????
????????????????????
????12?????????????????
????:???????????????
?????????????????????
????????22??????:?????????