??? ?????? ???? ?? 17%?? ?? ??? ???. ????? ??? ?? ?? ??? ?? 20% ???? ????? ??? ???? ?? ?????? ????.
23? ????? ??? ?????? ? ?? ??? ????? ??? ??? ??? ????. ???? 2009? 10?~2017? 3? ??? ??? ????? ?? ???? ??? ???? 60% ??, 2009? 10? ?? ??? ?????? ???? 80% ??? ???? ??? ??? ??? ????. 2017? 4? ??? ?????(?? ??)? ???? ??? ??? ????.
????? ??? ??? ????? ?? ???? ??? ??? ?????? 15~17%, ??? ????? 10~12% ?? ???? ??? ? ??? ???. ?????? ???? ????? ???? ????? ?? 10~11% ?? ???? ???? ???.
????? ????? ???? ???????? ???? 20%??? ????? ????? ??? ??? ?? 9% ???. ?? ???? “??? ??? ?? ?????? ??? ?????? ?? ??? ?? ? ??”??? ??.
????? yunjng@donga.com
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