<??=???? ??> ? ??1
?? 4? ? 3? ??? ???? ??? ????? ???? ?? ? ????? ??? ??? ??? ??? 15? ????.
? ?? ? ?? ??? ??? ????? ?????? ?? ??? ???? ??? ???? ?? ? ???? ????? ????? ??? ??? ????.
???? ???? ????? tbs ??? ?? ?? 19? ?? ?? 501?? ???? ???? ????? ???? ??? ???? ?? ??? ??, ‘?? ???? ?? ??(A)’? 34.9%, ‘?? ?? ??·?? ??(B)’? 28.1%, ‘?? ?? ??·?? ??? ??(C)’? 13.2%?, ??? ????? ???? ?? ? ????? ??? ??? ??? ??(A+B+C)? 76.2%? ????.
? ? ??? ????? ?????? ???? ?? ????? ???? ??? ???(B, 28.1%), ?? ??·?? ????(C, 13.2%) ????? ??? ???? ?? ??(B+C, 41.3%)? 54.2%??.
??? ????? ???? ??? ??? ???? ?? ??? 13.0%? ????. ‘??/???’? 10.8%.
?????? ‘?? ???? ?? ??’?? ????? ??? ???? ??? ???? ???, ??? ???, 40? ??, ??·?? ?? ?? ??, ???? 30%? ?? 40%?? ??? ????.
???, ???? ??? ???, ???, 30?? 20?, ??·????? ‘?? ?? ??·?? ??’?? ??? ???? ??? ?? ???.
??, 20???? ?? ??? ????? ?????? ????? ?? ???? ??? ???(B, 31.2%)?, ??·?? ????(C, 25.2%) ????? ??? ???? ??? 56.4%? ? ????? ???? 50%? ?? ??? ????.
30?(49.4%)? 40?(45.2%), 50?(32.2%), 60? ??(30.3%)? 20?? ??? ???.
???? ????? ‘?? ???? ?? ??’?? ??? ???? ??? ???(41.4%)? ???(38.4%), ????? ???(42.7%), 60? ??(43.1%), ??·??(44.1%)? ??·??(40.3%), ??(41.8%)?? ?? ???.
‘?? ?? ??·?? ??’?? ??? ???? ??? ???(38.3%), ???(46.0%)? ??????(34.8%) ???, 30?(34.2%)? ??·??(33.3%), ??(31.7%)?? ?? ????.
?? ??? ????? 95% ?????? ±4.4%????. ???? 4.2%?.
(??=??1)
[??★???] ??????? ?? ‘???’???!
??? ??? ??? ??
