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19? ????(IB) ??? ??? ??????? ?? 18? ???? ????? 700? ? ??? 110? ?? ????? ?? ? 590? ?? ?????? ?? ???? 800? ?? ????? ????. ?? ??????? ????? 6.5~7.2%? ????? ??? 7.2%?? ????? ??? ???. ????????(7.3%)???100? ?? ??? ?? 26? ????? ????.?
IB?? ???? “??????? ????? ?????? KB??? ??????? ???? ?????? ?? ??? ??? ????? ????”? ????. 1989? 6? ???????? ??? ??????? 2003? ????????? ??? ????. ?? 2012? ?????? ????? 2018? 8? ?? ?????? ????? ???? ????? ?? ??? ????.
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