?????? ???????50????

????:????????:????????

????6??????21????????????(??????????????? ????)??A??????????21???????,???50?,?????“?”?

???,?2998??,????0.24%;?????9064?????,??0.04%;??????????????????1755??,?0.39%;?????????????????????50???758????????????,??0.43%?

???,???????????????????,?????????19??«?????????????????»(??«????????????»)???,?,????

???????,«??????»?????????????:?????;???????????????;????,????

?????????,????????????3000????????????????????????????????????????,???A????,?3000??,??????5?,??????,??,??????????????,???????,???

??,???????A?????????,????????????????????????3.09%????????1.33%,?????????????;?,???????????????????????????????3.71%??2.61%,??????(??????????) ??:??