?? ???? ??? ????? ??? ??? ????? ‘??’? ??? 23? ????. ???? 23? 500??? ?? ?? ???, 700? ?? ????, 800? ??? ????? ? 3??? ??? ??? ??? ????.
‘??’? ???? ???? ?? ????? 45%? ?? ?? ???? ???? ? ????? ??? ??? ??. ?? ??? ???? ?? ??.
???? ????? ??? 1998? ?? ??? ??, ???(???? ???·??????? ???)? ??? ? ?? 2??? ????. ??? ‘??’? ????? ???? ??? ‘??’? ??(古語)? ??? ???? ??? ???? ???? ??? ??? ????. ??? ??????? 500? 5?～5?5000?, 700? 6?5000～7?5000?, 800?? 15?～30?? ???.
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