1967
1972
1967
1980
1981
1987
1974
1980
1985
1970
1975
1968
1970
1968
1971
1962
1954
1977
1969
1961
1976
1965
1970
1965
1959
1971
1971
1965
1973
1971
1986
1972
1971
1968
1987
1970
1989
1960
1964
1975
1972
1977
1985
1989
1978
1969
1971
1956
1967
1964
1975
1987
1985
1983
1982
Comments