??
????1??20????????????????????????? (?????? ???????????????)????A?20??(????????)??????????????????????,?????????,?,?,?????“????”?
?????????????,???????????3244????,????0.08%;????10256?,?0.94%;?????2104????????,????1.81%?
??,??A??????????????????????,??????????????????????????????????????????????,????????,???
???????????????????,???????,????????,???????????????,?????????????????,????,???
???,??????????????,????????????????2.4%?2.31%?1.83%,????,????????????????????????????????????????????????10%?(????????) ????????:????????????
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?????A????????? ????????????????????