?? ????? ????? 5? ? ???? ???? ?? 4?? 2?44??? 55? ??? 1?89?? 91? 8?(1?73?) ?? 7?9?? ?? ??? ????? 3? ????? ????. 5? ??? ?????(???? ?? ?)? 0.12%? 4?(0.25%)?? ?? ????. ???? ?????? ???? ??? 97? 12? 1?2?18??? ?? 7?? 6?29?, ??? ?? 2?10～2?90??? ???.
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