????，???? ??? １?

? 6～8? ??? ?????? ?? ????? ??? ?? ????? ?? ?? ??? ?? ??? ????? ??? ????? ??????? 6? ????.

? ??? ???? ?? ????????(S&P? ???)?? ??? ??? ???? ???? 1?8??? ??? ???? ??? ???? ??? 6?1??? 8?31??? 3???? ??? ??? ?????? ??? 1? ? 3?? ????? ???.

??? ???? ??? ????? ‘?????? ??’? 16.3%??? ‘????? ????’? 12.5%? 3?? ????.

2?? 13.1%? ???? ??? ‘??????? ??’??.

??? ???? ??? ?? ??? ?????? ?? 90%? ????? ??.

〈?????〉