1960
1975
1961
1977
1988
1979
1998
1991
1985
1988
1957
1986
1983
1981
1979
1976
1996
1987
1991
1987
1978
1987
1972
1956
2011
1957
1970
1988
1986
1983
1981
1982
1957
1966
1976
1990
1969
1963
1976
1990
1970
1970
1991
1972
1980
1992
1979
1966
1974
1969
1966
1956
1994
1987
1970
1968
1982
1975
1964
1979
1993
1966
1991
1986
1990
1988
1966
1961
1978
1989
1975
1970
1983
1970
1958
1975
1962
1978
1985
1984
1982
1974
Comments