[?? D―50]??? ??… ??? 27.7% ??? 16.4%… ??? 9.5% ??? 8.3%
???? ??????????? ??????? ??? 17, 18? ??? ???? ??, ??? ?????? ??? ?????? ???? ??? ??? ????.? ???? ? ??? 16.4%? ?????? ??? ? ??(27.7%)? ?? 2???. ? ??? ?? ??? 3, 4? ??? ???? ??? 3.2%??? ?? ?? ? ? ??? 5.1%??? ????. ? ??? ??? 2? ?? 19.6%????? 11.3%???? ??? ???.
? ??? ???? 8.3%? 2? ??? 6.3%??? ????. ??? ??? ????? ?? ??? ????? ? ???. ???? ??? ? ??? 2? ??? 1.5%??? ?? 9.5%? 3?? ????. ??? ?? ? 1, 2? ?? ?? ????? ?????? ?? ??? ?? ?? ????. ??? ??? ????????????? ????(nesdc.go.kr) ??.
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