1986
1981
1990
1991
1959
1957
1975
1959
1992
1978
1979
1972
1972
1969
1975
1974
1974
1970
1977
1970
1979
1969
1966
1958
1969
1972
1976
1970
1971
1975
1955
1966
1956
1951
1969
1956
1984
1982
1972
1967
1972
1971
1981
1968
1989
1965
1993
1971
1972
1966
1972
1960
1977
1960
1983
1982
1973
1953
1953
1954
1972
1976
1983
1980
1984
1981
1977
1978
1980
1976
1982
1983
1987
1985
1987
1985
1954
1952
1956
1974
1980
1994
1992
1944
1964
1985
1959
1948
1977
1954
1951
1972
1975
1976
1967
1975
1965
1969
1968
1969
1985
Comments