?? A?????????????
????:1????????????:?????
2????????
3???????
4????????
5?????
?????????12????????????????5??????????? (??????????? ?????????????????????)??????????????A?????????,?????5?4%,????
?????????????????,????????????4.21%,???????????????????;????13%,??????????????????????,??????????????????????????????????;?????,???????????????????????????????????????????20%?
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???????????,A??????????????????????,??????????3368??????????,????0.13%;????10634????,?0.29%;????????????2221?,??0.36%?(??????????) ????????????????:??????