1968
1967
1965
1961
1974
1969
1974
1965
1965
1995
1969
1972
1972
1971
1959
1962
1975
1991
1975
1983
1980
1992
1975
1968
1968
1960
1989
2003
1977
1971
1965
1965
1980
1994
1962
1963
1985
1959
2002
1966
1964
1997
1972
1971
1965
1966
1968
1970
2002
1991
2013
1969
2000
1964
1963
1961
1959
1962
1968
1985
1964
1970
1985
1968
1982
1969
1973
1968
1969
1962
1969
1969
1975
1976
1959
1986
1979
1979
1962
1975
1970
1999
1979
1965
1975
1974
1962
1960
1963
1963
1970
1966
1967
1967
1979
1967
1967
1985
1970
1970
1997
1968
1969
1963
1963
1971
1976
Comments