‘????? ??? ????.’
??? 20～40? ??? ??? ???? ??? ?? ??? ??? ??? ?? ???.
???? ????? ??????? ?????? ?? 20～40? ?? 1000??? ‘2006? ??? ???? ?? ?’? ????? ?? ??? ?? 44.8%? ‘???(??? ?)’? ???.
???? 20?(45.2%) 30?(40.1%) 40?(49.1%)? ??? ???? ?? ???. 30?? ??(36.5%)?? ??(43.7%)? ?? ?? ??, 40?? ??(45.2%)?? ??(53%)? ???.
??? ????? ‘?’(32.6%)? ???. 20?(23.4%)? ?? 30?(38.6%) 40?(35.8%)? ?? ????. 30?? ??(39.5%)? ???? ???? 40?? ??(32.5%)?? ??(39.2%)? ?? ???. ???? ‘?????’(9.1%) ‘???’(6.8%) ‘???? ????’(6.7%) ?. 30?? ? ???? ???? ????(7.5%)? ???? 40?? ?????(6%)? ???(6%)? ???? ????(3%)?? ?? ????.
(▲?? ??? ??? ???? ?? ???? ???? ?????. ????? ???? ? ????? ??? ? ????.)
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