(????=??) ? ??1
???? 10? ? 6?? ?? ??????? ???(???19) ???? ?? ????? ? ??? ????.
???? ???? ??? ??? 636?? ???? ????? ??? ??, ??? 61.6%? ???? ?? ????? ??? ????? 17? ???.
???? ?? ? ???? ??? ‘1~2??’(41.8%)? ?? ???. ?? Δ1?? ??(19.4%) Δ2~3??(16.3%) Δ? ? ??(13.3%) Δ3~4??(9.2%) ? ????.
????? ?? ??(?? ??)?? ‘?? ??’(82.7%)? ?? ???. ???? Δ??? ???(32.7%) Δ?? ???(14.0%) Δ????·????(1.0%) ?? ?? ???.
?? ????? ?? ?? ??(?? ??)?? Δ?? ??? ???? ???(52.5%) Δ??? ???? ??? ???(41.0%) Δ?? ???? ? ??? ???(23.0%) Δ?? ??? ???(8.2%) Δ??? ???(6.6%) Δ???? ? ???(3.3%) ? ????.
???? ??????? ????? ?? ??? ??? ??, ?? ??(46.9%)? ‘??? ???? ???’??? ???. ?? Δ??? ?? ?? ?? ? ??(28.6%) Δ???? ? ? ?(19.4%) Δ? ????(5.1%) ?? ??? ???.
(??=??1)