???? ???? ??? 9? 8? ??? ??(44.1%)?? 5.3%??? ????. ????? 20??? 10%???, 30??? 10.5%???, 40??? 6.7%??? ????. ???? ???? ????? ?? ??. ????? ??·??·??? ??? ??(9.2%???)? ?????. ?? ??? ???? 7? 24.4%, 9? 29.9%, 10? 35.6%? ????. ????? 20?? ???? 10.9%??? ??? 30?? 40???? 7～8%??? ???.
??? ?? peacechaos@donga.com