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??? ??? 20?(56.8%)? 40?(42.3%)??, ??? ??? 50?(41.3%) 60? ??(45.4%)?? ????? ??? ??. ????? ??? ??? ?????(54.6%)? ???(58.9%) ???, ??? ??? ????(48%) ?????(38.8%)?? ? ?? ??? ???.
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