???? ??? ?????? 1?6000? ?? ?? ??? ????.
15? ????(IB) ??? ??? ???? ? 1500? ? ??? 1?6400? ?? ?? ??? ???. 3?? 1100? ? ??? 1?2200? ?, 5?? 400? ? ??? 4200? ?? ??? ???.
???? ?? ???? ???? ????(?? ??) ?? ±30bp(???????·1bp=0.01%???)? ??? ??? 3??? ―18bp, 5??? ―16bp? ???? ???.
1989? 5? ??? ???? ???? ????? ? ?????? ?? ? ??, ??? ?? ???? ???? ??.
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