49% (1982)

70% (1976)

57% (2012)

66% (1967)

30% (1987)

74% (1965)

0% (1993)

62% (1991)

62% (1983)

63% (1966)

58% (1999)

58% (2016)

54% (1968)

49% (1971)

72% (2000)

50% (1959)

58% (1977)

67% (1975)

72% (1955)

62% (2017)