????:1??????????????:??????

2???????

3?????????

4????????????

5????????

????1???20? (??????????????? ???????????)????A????????20??????(????)????????,????????????????????????????,??,??????????,??“?????”?

???????????????????,?3244??,?????????????0.08%;??10256???,??????????????????????0.94%;?2104?,????1.81%?

?????????????????,??A?????????????????????,?????,?????,???????

?,????????????????,???????????,??????,???????????????????????????????????????,?,?????????

????????,?????????????,?????????????????????????????????????2.4%?2.31%?????????????1.83%,????,?????????????????????????????10%?(?) ?????:?????