1961
1978
1961
1961
1971
1961
1972
1989
1963
1963
1965
1965
1965
1964
1962
1963
1963
1961
1954
1956
1955
1970
1953
1959
1951
1958
1961
1960
1955
1960
1961
1959
1957
1957
1955
1956
1959
1974
1974
1973
1973
1972
1972
1973
1974
1975
1979
1973
1970
1977
1976
1975
1976
1976
1973
1967
1967
1966
1968
1969
1970
1971
1972
1972
1974
1971
1969
1970
1969
1949
1963
1962
1970
1975
1978
1977
1976
1966
1956
1961
1975
1958
1970
1967
1963
1968
1967
1960
1957
1967
1952
1955
1971
1954
1962
1968
1973
1962
1976
1974
1955
1971
1954
1956
1957
1970
1955
1969
1957
1972
1965
1949
1948
1948
1959
1947
1963
1963
1948
1956
1953
1964
1971
1961
1973
1952
1961
1954
1956
1959
1953
1954
1954
1953
1953
1970
1958
1953
1964
Comments