1958
1957
1957
1957
1957
1958
1958
1958
1957
1958
1956
1962
1961
1961
1960
1961
1961
1961
1956
1962
1961
1962
1958
1958
1960
1960
1960
1959
1960
1986
1972
1969
1990
1989
1960
1959
1959
1959
1959
1958
1959
1959
1959
1984
1959
1960
1960
1994
1997
1988
1979
1987
1990
1983
1981
1981
1972
1987
1988
1970
1963
1966
1987
1993
1990
1980
1979
1977
1962
1979
1991
1984
1985
1975
1974
1993
1990
1995
1981
1976
1995
1987
1981
1995
1971
1981
1996
1992
1975
1986
1995
1970
1967
Comments