????????? ???? ????? ??? ????.
8? ????(IB) ??? ??? ??????? 5? ???(?????)? ???? 500? ? ??? 1160? ?? ????? ???. ??????? ????? 6.5~7.3%? ????? ??? 7.24%? ????? ???. ?? 16? ????? ??? ??? ??????? 7.29%? ??? ?? 1000? ?? ????? ???? ??.
1989? 6? ???????? ??? ??????? 2003? ????????? ??? ????. ?? 2012? ?????? ????? 2018? 8? ?? ?????? ????? ???? ????? ?? ??? ????.
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