67% (1968)

0% (1969)

40% (1951)

65% (1965)

10% (1977)

67% (1976)

0% (1966)

66% (1986)

0% (1973)

70% (1987)

68% (1986)

66% (1963)

65% (1969)

70% (1965)

40% (1964)

64% (1982)

0% (1979)

20% (1994)

66% (1984)

60% (1985)