8? ????? ??? ?? 1·4??(1～3?)? ???? ??? ???? ????(???? ??)? ??? ??? 1?7300???? ?? ?? ??? 1?2400????? 39.5% ???. ?? ????? 36?5000?, 1?? ?? ??????? 473??? ?? ?? ??? 32?7000?? 380???? ?? 11.6%? 24.5% ????.

???? ?? ??? ? 1～3?? ???? ??? ?? ???? ? ??? 9?6300???? 18.0%, ?? ????? ? ????? 93?7000?? 39.0%? ???? ???.

???? ??? 97? 3·4??(7～9?)? 4???? ??? ???? ?? ????? ?? 1·4??? 1?2000?????? ????? ??? ???? ??.

?? ???? “??? ?????? ???? ???? ?? ??? ??? ???? ??? ??? ???? ??”??? “?? ???? ???? ??? ????? ??”? ???.

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