?? ? ???? ?? ????, ??? ??? ????? ??? ??? ???? ??? ? ??? ???? ???.
21? ???114? ??? ??? ?? ??? ???? 0.03% ???. ??(―0.06%)? ? ?? ?? ??? ??(0.01%) ??(0.03%) ??(0.02%)? ???? ?? ????. ?? ??(0.11%) ??(0.11%) ??(0.10%) ??(0.09%) ???(0.09%) ???(0.09%) ?? ??? ??? ?? ???. ???(0.03%)? ??(0.10%) ??(0.05%) ??(0.02%)? ????.