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

2???spa?????

3???????

4????????

5?????

?????12??20????????? (????????????? ?)???????20?????,11?????????????(PCE)??????0.1%,?2.4%,??,????????

PCE????????,???

?????????????,????,11???PCE??0.1%,???????2.8%,???

???,11?0.2%,?????????????,???????????????0.2%,????0.2%????????????????????,11????0.3%;????????0.4%;???4.4%?

???????????????,11???????PCE?????????,2.4%?????????????2%???????????

?18???????????,?????????25????4.25%???4.5%??????????????9????

?????????18?????????,?????????????100???,???????????,??????????????????20??????PCE?,?????????(????????????????) ???????????:???