??7??????? ???????

????:????????:????????100?

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

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

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

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

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

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