????? ??? ???? ????? ??????? ???? ???? 80%(2?? 40%, 3?? 60%)? ??? ??, ????, ???? ??(? 4%), ??????(8%)?? ????.

??? ????? 2, 3?? ??? ??? 12? 6?? ???? ?? ??, ???? ?? 11? 15?? ???? ?? ?? ???? ???? ??. ??? ??? ???? ??? ? ???? ???? ????? ?? ??? 1～3? ???? ????? ??? ?????? ???? ??.

???? 9? ??? ????? ??? ??? ?? ???????????? ??? ??? ?? ????? ??? ??? ????? 3% ????? ???? ??? ????. ??? ???? ? ?????? ?? ???? ??? ????.

????? △???? ???? 11?1～6? △??? 12?4～7? △???? 12?6～8? △?? ???? 12?18～20? ???.

??? ??? △???? ???? 11?11～13? △??? 12?15? △???? 12?11? △?? ???? 2001? 1?11??? ?? ????? ???? ??? 2001? 2? 10?? ????.

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