[??? ??]???-?? ???? ??? ????

?? ??? ???? ???? ?? ??? ??.

??? 0.44%? ?????? ???? ?? ??? ?? ? ???? 0.88%? 2?? ???.

????? ???(1.21%) ???(0.24%) ???(0.20%) ???. ??? ???? ?? ??? ????? ? ? ??.

?????? ??????? ???? 20? ??? 1.33%? ?? ??? 50? ??(0.61%) 30???(0.56%) 20???(0.48%) 40???(0.46%) ????.

?????? ??(1.54%) ??(1.28%) ??(1.20%) ???(1.09%) ?? ?? 1% ?? ???.

??? ??? ?? ?? ?? ??? ????? ?? 2, 3?? ?? ???? ?????? ??? ?? ??? ???? ??? ????.

???? ??? ??? ??? ??? ??? ???? ????.

?????? ??(0.62%) ??(0.47%) ??(0.27%) ??(0.13%) ?? ???? ???? ??(―0.05%)? ????. ???? ???? ???? ?? ??? ???? ?? ??? ?? ??? ????.

??? ???? ??? ?????? ??(0.77%) ??(0.67%) ??(0.56%) ??(0.51%) ??(0.46%) ??(0.42%) ??(0.41%) ??(0.38%) ??? ????? ???.

?? ??(―0.12%) ??(―0.02%) ??? ?? ????.

DUAPI ??2002? 1? 4? ??? ???????140.43(0.88)128.19(0.4)132.22(0.3)