??? ??? 3? 2?? ???? ???. (???? ??)? ??1
??? ???? ???? ???(????) 40%?? 5? ?? ???.
???? ???? ????? YTN ??? ?? 8?~12? ?? ??? 2510?? ???? ??? 15? ??? 3? 2?? ???? ??, ? ???? ???? ????? ?? ?? 2.4%???(p) ?? 37.7%? ????. ‘?? ??’? 19.4%, ‘??? ?’? 18.3%?.
????? 30%?? ??? ?? ??? 8? ??? 2? 1?? ????(39.3%) ?? 5? ???.
????? ???? ? ??? 19.7%p? ???? ??? ??(14.9%p)?? ????.
?? ??? ?? 5? 41.9%(???? 54.7%)?? ?? 8? 39.2%(???? 56.3%), 9? 38.5%(???? 55.6%), 10? 39.4%(???? 55.0%), 11? 37.3%(???? 57.6%), 12? 36.5%(???? 59.6%) ??? ??? ???.
???? ???? ???? ??(32.6%)?? ???? 5.8%p? ?? ???? ?? ??·????? 5.3%p? ?? 58.8%??.
??????? ??? ???(12.4%p↓, 22.8%)?? ?? ??? ???? ???(2.4%p↓,4.6%)? ?????? ???(0.8%p↓, 85.8%)??? ???? ???. ?????? ???? 3.0%p ?? 23.7%?? ????? ?????? 2.5%p ?? 75.0%? ????.
?? ??? ?? ????(10%), ??(70%)·??(20%) ???? ????, ????(80%)? ????(20%) ?? ????? ???? ?? ?? ???? ???? ????. ????? 2021? 1? ? ????? ???? ???? ?? ??, ????, ??? ??? ?? ???? ?????, ????? 95% ?????? ±2.0%P??. ???? 5.9%?.
??? ??? ????????????? ????? ???? ??.
?
(??=??1)