11? ????(IB) ??? ??? SK???? ? 2500? ? ??? 1?1400? ?? ????? ???. 3?? 700? ? ??? 3300? ?, 5?? 700? ? ??? 3100? ?, 7?? 300? ? ??? 1800? ?, 10?? 300? ? ??? 3200? ?? ??? ???. SK???? ?? ???? ???? ????(?? ??) ?? ±30bp(???????·1bp=0.01%???)? ??? ??? 3??? 7bp, 5??? 5bp, 7??? ????(―) 14bp, 10??? ―50bp? ?? ??? ???. 18? ?? ???? ?? 4000? ?? ?? ??? ?? ???.
SK???? ?? ?????? 1?, ?????? 2?? 1984? 3? ?????????? ????. 1988? ???? ??? 1?? ???? ???? ????, ?????? ???????? ?????. ??? ??? ???? ?? ??? ???? ?? 2008? 3? ?? ?????? SK?????? ??? ??? ?? ???? ???? ??.
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