1973
1974
1971
1979
1982
1977
1972
1978
1982
1978
1983
1978
1985
1963
1978
1981
1983
1981
1976
1977
1987
1976
1978
1973
1984
1970
1967
1975
1970
1974
1985
1979
1984
1978
1970
1989
1991
1989
1989
1989
1998
1972
1978
1950
1989
1984
1945
1984
1988
1987
1986
1995
1989
1989
1953
1980
1964
1980
1974
1989
1974
1981
1982
1977
1976
1982
1950
1980
1974
1981
1991
1984
1985
1969
1978
1973
1975
1977
1998
1969
1979
1981
1971
1984
1982
1998
1977
1961
1961
1983
1965
1968
1978
1982
1965
1981
1972
1980
1981
1988
1976
1980
1987
1978
1978
1975
1994
1970
1965
1963
1967
1980
1987
1979
1970
1951
1969
1968
1985
1981
1979
1963
1980
1948
1986
1977
1967
1978
1968
1998
1976
1974
1976
1976
1989
1986
1968
1966
1986
1987
1977
1975
1966
1985
1962
1980
1990
1975
Comments