??? ???? ????(4? ??, ?? 20?? ??)? 29???? ???? ???? ??? ????.
???????????(aT·?? ???)? ?? 19? ??? 18? ????? 27? ??????? ???? ????? ?? ???? 13? ?? ?????? ??? ??, 3? ?? ?? ??? 3? ? 1? ??(11?12?)? ?? 1.2% ??????.
????? ??? 8.4% ??? ??, ???? ??(9.0%)? ??(5.6%), ?(5.6%)? ?? ????.
??? ??? ??? ??, ???? ??? ?(66.8%)·??(58.5%)? ????, ??? ??? ??(26.0%), ???(20.2%), ????(Δ20.2%) ?? ??? ??? ????.
aT? ??? ???? ????? ?? 11? ???? ?? ??????? ??? ??·? 1920?? ????? ?? ?????? ?? ?????, ???? ????? ?? ????? ??? ????.
aT ???? “????? ????? ?? ??? ???? ??? ??”? “?? ?? ‘???? ???? ???’? ???? ????? ??? ???? ???”? ???.
(??=??1)
?? 0