?? ??????30????????6.69% ??
????:1?????????????:?????
2???????
3?????
4????????
5???????????
??12???????5??? (???????????????? ?????????)????????????????????(Freddie Mac)???????5????????????,?30????????6.69%,??10???????????24?????
??????????????,??30?6.69%,???????,???????????????6.81%,?7.03%?
??????9????????????18?????????????,??30????9???????????6.08%,???????,??
?????????(Mortgage Bankers Association)????????????????,???????????2.8%,????
????(National Association of Realtors)??,????10????396??,??2.9%,??2021??7???????
???,????????,????,????“??”???
???????9??????????,?????????,?12?????????????????????????,???????,?30??6.5%????????(???????????) ??????????????????:?????