1957
1953
1957
1953
1950
1951
1954
1949
1987
1955
1961
1987
1973
1951
1965
1987
1962
1954
1989
1951
1997
1948
1951
1950
1958
1951
1972
1952
1996
1987
1953
1958
1972
1951
2000
1972
1978
1988
2001
1981
1974
1961
1953
1967
1963
1954
1978
1993
1991
1965
1958
2000
1993
1958
2001
1950
1948
1958
1960
1986
1966
1950
1990
1987
1988
1955
1970
1951
1952
1968
1950
1957
1952
1961
1950
1971
1964
1980
Comments