??? ???? ２７?? １７５? ??

?? 1997? 11? 30? 19? 50?

???: ?

?? 27? ?? ??? ? ????? ?? 1?? ????? 33.6～1?75?? ????? ?? ???? 32? ?? 3.6? ??? ??? ????. ???? 30? 65? ?? ?? ???? ??? ??, ????? ???? ? ?? ? ? ?? ??? 「??? ? ????? ???」? ????. ▼???〓???? ???? 65? 97.7%?? 97? 98.6%? ? ??? ??? ???? ??? 41.4%? 26.4%?? 100%? 94.6%? ??? ??? ??? ?????. ?? 1?? ???? △?? 65.4→27.3? △?? 39.4→22.3? △?? 30.2→22.4???, ??? ???? △?? 65.4→35.1? △?? 60.7→43.6? △??? 59.8→49.6??? ?? ?? ????? ?? ????. ▼??????〓????? ?? 65? 70??? 97? 1?50?? 2? ?? ??? ???? 10?5???? 1?36???? 13?? ????. ???? ?? ???? 48??? 1?55?? 3? ??, ???? 2?3???? 72?4???? 31.3?? ????. ??? ?? 1?? ???? ????? 19.9??? 25.7???, ???? 26??? 58.1??? ?? ??????? ?? ??? ?????. ???? 37??(3?8??)?? 5?92??(15?1???)? ??? 16?, ??? 39.4?? ???? ???. ?? 1??? ???? ???? 0.34??? 11.44??? ????. ▼???〓??? ????? ???? ???? ??? ??? 70? 7.2%?? 95? 9.8%?, ??? 6.8%?? 10.5%? ????? ??? ??? 80? ??? ??? ??? 5.8%? ?? ???. ?? 1?? ????? ??? 70? 1?1?6???? 97? 2?3?3?9????, ??? 2?4?5???? 2?7?2?5????, ??? 3?1?9???? 2?50?1???? ???? ???? 15?6?7???? 5?27?3?3???? 33.6? ????. 〈?????〉