1978
1981
1948
1977
1980
1980
1958
1955
1972
1977
1972
1983
1961
1963
1970
1948
1980
1980
1961
1952
1971
1969
1968
1982
1970
1978
1965
1986
1988
1978
1987
1961
1975
1962
1985
1964
1947
1961
1963
1950
1960
1955
1967
1979
1986
1975
1975
1980
1979
1983
1991
1977
1973
1970
1979
1981
1974
1982
1971
1960
1965
1979
1964
1952
1951
1953
1952
1963
1969
1984
1974
1978
1975
1960
1986
1985
1956
1985
1983
1959
1978
1972
1957
1988
1980
1960
1955
1983
1972
1983
1953
1986
1984
1958
1970
1984
1970
1959
1985
1981
1989
1986
1986
1978
1976
1978
1977
1968
1971
1981
1985
1957
1954
Comments