17? ?????????? ?? 3854?? 1?978?? ???? ??? ????? ????? ?? 9?? ?? ??? ??? 2412??, ??? ???? 56%? ????? ????.

?? 6?? 2223???? 189??? ??? ??? ??? ??? ??? ? ?? ??? ??? 5?1300?? ? 4.7%? ????.???????? ‘??? ??’? ??? ? ?? ? ? ?? ???? ???? 7? ?? ???? ???.

??? ??? ??? ??? ???? 7～19?? 91.9%? ?? ???. ??? ???? 20? 84%, 30? 61.3%, 40? 36.6%??. 30?? ?? 12???? ???? 17.7%???? ?? ?? ??? ?? ?????.

??? ??? ???? ??? ??? 64.3%? ?? ???, ??(62.8%) ??(61.8%) ??(58.0%) ???. ???????? ???????? ??? ??? ?? ????? ???(stat.nic.or.kr)? ??? ????.

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