????? ? ??? ?? ???? ??? ??. ?? ??? ???? ???? ??.
??? ???? ??? ???? ??? ??? ?? ??? ????? ????.
???? ??? ????? ‘3??’, ????? ‘10~20? ?’? ??????? ????? ????? ???.
??? ???? 38.6%? ‘3? ?’??, ????? 38.2%? ‘10~20? ?’?? ?? ?? ??? ?? ???.
?? ??? ‘5~9? ?’(29.8%) - ‘10~20? ?’(20.4%) - ‘1? ? ??’(8.8%) - ‘30? ? ??’(2.4%) ?? ??? ?? ???, ??? ‘5~9? ?’(35.1%) - ‘30? ? ??’(22.3%) - ‘3? ?’(4.4%) - ‘1? ? ??’(0%) ?? ??? ???.
?? ??? 2? ? ??? ???? ??? ???? ???? ??? ????? ?? ? ? ??.
2013? 7? 22?~27? ?? ???? 638?(?? ? 319?)? ???? ‘????? ?? ?? ??’? ?? ??? ????? ??? ?? ‘1? ? ??’(40.8%), ??? ‘30? ? ??’(49.5%)? ?? ?? ?? ?? ????.
? ? ????? ??? ?? ??? ?????? ??? ?? ??? 1? ? ???? 3???? ????, ??? 30? ? ???? 10~20? ? ???? ?????? ?? ? ? ??.
???? ?????? ???? dnews@donga.com