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4? ???114? ??? ??? ??? ????? ??(―0.05%)? ???(―0.01%)? ???? ???. ??? ??? ???(―0.12%)? ?? ?? ?? ??. ???? ??(―0.16%), ??(―0.10%) ?? ?? ????. ??(―0.01%)? ??(―0.01%) ? 1? ???? ?? ???. ??? ???? ??? ???(0.00%)? ?? ?? ?? ???? ???.
????? ??? ???? ??? ???? ????. ??? 1? ?? ?? ???? 1~2? ?? ?? ??? ?? ?? ?? 60% ??? 4511??? ????. ???? ??? ???? ???? ???? ???(0.01%)? ?? ????.