62% (1966)

53% (1958)

68% (1959)

47% (1986)

52% (1959)

0% (1964)

67% (1961)

0% (1966)

0% (1976)

68% (1957)

65% (1960)

60% (1969)

60% (1989)

50% (1963)

64% (1958)

56% (1973)

54% (1982)

0% (1987)

0% (1966)

64% (1992)