1981
1963
1974
1974
1960
1967
1957
1968
1958
1966
1962
1959
1970
1982
1970
1963
1977
1971
1969
1960
1977
1967
1951
1965
1966
1969
1950
1963
1966
1968
1977
1977
1971
1973
1955
1967
1952
1964
1967
1958
1950
1960
1957
1956
1974
1958
1959
1978
1968
1967
1969
1958
1977
1974
1960
1968
1968
1975
1954
1955
1957
1984
1966
1980
1972
1964
1955
1964
1978
1976
1970
1981
1973
1962
1958
1964
1969
1956
1959
1956
1964
1981
1970
1955
1956
1961
1959
1974
1972
1967
1965
1960
1970
1955
1960
1964
1987
1955
1962
1972
1972
1972
1972
1979
Comments