1977
1956
1970
1991
1959
1953
1954
1966
1966
1966
1956
1972
1959
1958
1970
1956
1975
1955
1963
1964
1975
1956
1969
1970
1954
1954
1961
1962
1958
1962
1962
1965
1957
1962
1962
1993
1964
1966
1956
1956
1968
1975
1962
1968
1966
1969
1959
1959
1965
1956
1960
1952
1968
1980
1958
1964
1968
1964
1959
1957
1976
1968
1955
1956
1978
1978
1960
1968
1966
1978
1985
1956
1981
1979
1970
1964
1969
1968
1966
1967
1979
1961
1969
1965
1966
1983
1970
1970
1955
1958
1961
1972
1966
1979
1975
1961
1969
1968
1979
1978
1967
1976
1967
1952
Comments