???????? 6~8? ??? 1170?? ???? ????? ??? ?? ????? ???? ?? ??? ‘?? ??’?? ?? ???? 54.4%? ?? ???, ?? ‘???? ?? ?? ??’(31.0%) ‘???? ? ??? ???’(14.6%) ????? 9? ???.
????? ? ????? ??? ?? ??? ‘????? ??·??’(20.3%) ‘????? ?? ??? ??’(17.6%) ‘??·??? ??? ??’(13.8%) ‘???? ???? ??’(13.1%) ??? ???. ???? ??? ??·???? ??? ???? ‘????? ?? ??’(40.1%)??? ??? ‘? ?? ?? ??·??’(21.7%)? 2? ??? ??.