?? １? ???? １?８???…??比１０％??

?? 1997? 3? 14? 11? 56?

???: ?

?????? 1? ?? ????? ??? ???? ????? ???? ??. 14? ????? ??? ?? ???? ??? ??????? 75?4????? ??? 68?7?7????? ?? 9.1%? ????. ??? 95? 3?81?8???? ????? ?? ????? 4?64?9???? 21.8% ???? ?? 1? ?? ????? 1?8?1???? 1?6?14??? 10.4%? ????. ?? ????? ???? ??? 95? 12?1?6?????? ???? 16?5?5????? 36.1%? ????? ????? ??? ?????? ? ?? 2?14?8???? 3?28?4???? 52.9% ??? 1? ???? ????? 95?? 5?66???? ???? 5?4??? 11.0%? ????. ??? ?? ????? ??? 1? ????? ???? ????? ???? ??? ?? ??? ???? ???? ??? ??? ???? ???? ??? ???? ? ??? ????? ?? ??? ???? ???? ????.