??????????????????????????

????:?????????100??:???????

???????????12???3????????????????? ??????????:????????????3??,??,?????????????????????????????????-??57.31%??????????

??????????????????,????????????57.31%?????????????????,????????51???????????,?????

??????,???????????????????????????????

?????1952?????????????????10??,??????????????72?;????????????????

?1990????????????8????????,?????15??????????????,21????(?????) ??:?????????