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

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

3?????

4????????

5?????????

??????7?????????????????1?????????????? (??????????????? ?????????)????????????7?????,???A?????,?,??????????????1%,????????3000????????

????????,?????????????2994??????????,?0.92%;???????????8899??,???0.57%;????1682?????,??0.04%?

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

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

?,??????????A???????????????????????????????,????????4.05%????????????3.7%,???????????

???????????7?????????,???????????,?,??????????A?????????????????,?????,????????,A??????????????(???) ?????????????:???????????