??? ??? ?????? ?????? ????? ???? ????? ???? ? ?? ??? ?? ?? 3? ? 2?? ????? ???? ??? 30? ???.
????? YTN ??? ?? 27? ?? ? 18? ?? ?? 500?? ??? ?? ?? ??? ???? ?? ??? ?? ??? ??? ?? ‘????’? 68.7%? ????. ‘?? ?? ??’? 39.8%, ‘?? ??’? 28.9%??.
‘???? ???’? 28.7%?, ‘?? ???? ??’? 15.1%, ‘?? ???? ??’? 13.6%??.
‘? ????’? 2.6%??.
???? ????? 80.6%, ????? 71.0%? ????? ????. ???????? ?? 52.2%, ??? 45.3%? ???? ??? ?? ??? ???.
?????? ??? ??? 86.6%? ????? ???? ? ? ?? ??? 49.2%? ‘?? ??’??. ?????? ?? 67.5%, ??? 28.3%? ?? ??? ????. ???? ?????? ?? 49.2%, ??? 47.2%? ????.
????? 40?(81.8%)?? ?? ??? ?? ??? ?? 50?(72.4%), 70? ??(71.5%), 60?(68.2%), 20?(59.3%), 30?(56.8%) ??? ????.
? ???? ?? ??? ????? 20?? 30???? ?? 25.2%, 24.2%? ‘?? ?? ??’??? ????. ?? 40???? ????? 48.3%? ‘?? ??’??? ???.
???? ??·??(90.4%)?? ?? ??? ??·??·??(73.0%), ??·??·??(72.0%), ??(67.2%), ??·??(63.6%), ??·??(63.4%) ??? ?? ??? ?? ????.
?? ??? ????? 95% ?????? ±4.4%????. ??? ??? ???? ????? ???? ??.
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