?1???21? (???? ?????)????????????A????21????(?)????????????????,?????????,???

?????,????????????3.89%???????3.26%,?A???????????????,??20%???????????,??????????????????9%?

????????????,????“1+N”??????????????????????????????????????“1+N”??,?????????????????100????,????

?????,??????:???,??;??????,??;?????????????????????????,??

??????????????,??????,????????????????2.16%?????;?????????,???????????????????????10%?

????????,????????,?3242?????,????????0.05%;?????????????10305?????,?????????0.48%;??????2112???????????,???????????0.36%?(??????) ??????????????:?????

??

??:???????????,??????????,??????????????