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50?? ???? ???? ???? ?? 38.1%? 24.6%?. ??? ????? ????? ???? ????? 50? ???? ?? 34.4%? 38.6%? ??? ??? ????. ?? ????? 20? ???? 21.7%? ???? 20? ??? 8.8%?? ? ? ?? ?? ???? ? ?? ????? ??? ??? ??? ????.
?? ?? ????? ???? ?? ??? ???? 94.9%, ????? ???? 66.6%, ????? ???? 83.9%? ????? ?????? ????.
??? ?? djc@donga.com
* ?? ??? ????? ???????? ??? 1??? 3??? ?? ? 19? ?? ?? 1000?? ???? ??? ??????(RDD) ???? ???? ????. ??? ??? ??? ?, ??, ??? ???(???, 2019? 9? ? ????? ???? ?? ?? ??)? ????. ???? 10.3%, ????? 95% ????? ±3.1%.