????(??) ??? ??? 5?? ??? ???? 1?49?3????? ???? ?? 1.5% ??? ??? ????. 5?? ?? ?? 3.8% ??? 1?12?9????? ???. ?? ?? ????? 36?4????? ??? ????.

????? ?? ?? 5???? ??? ?? ??? ??? ???? 29.6%? ????? ???.????? ??? ?? ???? 96? 7? ?? ?? ??? ???? ??? ????? ????? ??? ??? ?? ??? ????.

?? ???? 5???? ??? ???? ??? ???? 8.6% ??? 7?11?1????, ??? 1.5% ??? 5?25?8????? ????? 1?85?3????? ??? ????.

〈???〓??????〉heb8610@donga.com