??? ??… ?? ? 6.75% ‘???’

?? ??? ? 5.25%?? ??? ?? ?? 0.3%???～?? 1.5%???? ? ?? ? ??.

????? ?? ? ?? ??? ????.

?? ???? ????? ??? 0.3%???, ?? ??? ????? ?????? ?? ???? 0.2%???? ? ????. ??? ???? ???? ??? ?? 0.1%???～0.2%???? ????.

????? 300? ? ?? 3? ? ??? ????? 6??～3???.

?????? ????? ????. 500? ? ?? ???? 0.2%???, 3000? ? ???? 0.3%???? ????? ??.

? 2000? ??? ??? ?? ????? ??? ???? ?? ?? ???? ????? ?? ‘NH? ???? ?????’? ??? ????? ??? ?? ? ??. 1995? ?? ???? ???? 0.3%???, 1995～1997? ???? 0.2%???, 1998～2000?? 0.1%???? ????? ??.

????? ???? ?? ???? ???? ??? ? ??? ?????. ?? ???? 55%? ?? ????. ???? ??? 1?(?? ???? 5%) 0.5%???, 2?(?? ???? 20%) 0.3%???, 3?(?? ???? 30%)? 0.1%????.

?? △??? ???? ??(0.2%???) △?? ????? ?????? ???(0.2%???) △????? 3000? ? ??(0.3%???) △1? ??(0.5%???) △1995? ?? ???(0.3%???)? ?? ???? ????? 1.5%???? ????? ?? ? ??. 14? ???? ????? 5100? ?? ????.

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