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Dy<9á′' ]?9é 80 M}[a  t? ?y<9á′¥??′? ? 1.0 O?/? t ] ? a ü  ?"áSü6¥?Z?y</ ? £ ü¥4ú y<á ??v 6)D} / ?c ??F′?4úá ?_×  ^aN′úa8l¥Z_?Zy7 P¤ t? ¥9é? ?v??y<9á′¥9é?b 15 ?=c  {3 ps V 2-3  ?y<9á′¥??′ '  ?÷u?Sd9 Mkv 1996?Sd9? b M  M? q    M? q  y< ??′ M  M? q    M? q  y< ??′ 1953 0.2992 0.2894 1.03 1978 0.2334 0.1367 1.71 1954 0.2151 0.1444 1.49 1979 0.1097 0.1023 1.07 1956 0.2053 0.2022 1.01 1980 0.0559 0.0923 0.61 1957 0.1376 0.0966 1.42 1981 0.0086 0.0455 0.19 1959 0.3361 0.3693 0.91 1982 0.0678 0.0754 0.90 1960 0.1207 0.1038 1.16 1983 0.0719 0.1057 0.68 1962 -0.1488 -0.1337 1.11 1986 0.0971 0.1521 0.64 1964 0.1712 0.1722 0.99 1987 0.1032 0.2340 0.44 1965 0.2592 0.2045 1.27 1988 0.0718 0.3193 0.23 1967 -0.2181 -0.1490 1.46 1989 0.0741 0.2081 0.36 1970 0.2164 0.2492 0.87 1990 0.0241 0.0866 0.28 1971 0.1402 0.1418 0.99 1991 0.0679 0.1129 0.60 1972 0.0843 0.0598 1.41 1992 0.0440 0.2995 0.15 1973 0.1152 0.0890 1.29 1993 0.0442 0.3989 0.11 1975 0.1557 0.1443 1.08 1994 0.0902 0.4499 0.20 1977 0.1543 0.1330 1.16 1995 0.0742 0.3095 0.24 ? ??   {ós Ba  {ó¥à Q#+?  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