???? ?? ???? ?? ??? ??? ?? ? ??? ‘??? ??? ???’? ????. ?? ???? 43.6%(4?24?). ‘???? ???’(19.2%) ‘???? ????? ???’(14.6%) ‘??? ??? ???’(14.0%)?? ??? ??? ???. ??? ‘?? ? ????? ????’(8.5%)? ???.

?? ????? ???. ????? 40? ??? ‘??? ??? ???’, 10?? ‘???? ???’ ?? ??? ?? ?? ??? ?????. ??? ???? ‘??’??? ‘??’? ??? ???.

???? ??? ???? ??? 30? ??? 57.4%, 1?? ??? 36.8%? 30?～1?? ?? ??? ?? ?? ????? ???? ?? ??? ??? ??? ?? ?? ??? ????.

〈?????〉

? ??? ????? ??PCS? ?? ???? ????? ?????.

▼????〓PCS ??? ?? 1?1 ?????

▼????〓98?4?3? ?? 11?～6? ??1?

▼????〓9?72?