????:1???150???????:????

2??????????????

3??????????

4?????QQ?

5?????????

????????????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%,??????(?????????????) ??????????????:??????????????????