72% (1963)

70% (2023)

70% (1960)

71% (1950)

50% (1982)

64% (2022)

70% (1976)

75% (1951)

53% (1988)

54% (2012)

49% (1974)

64% (1979)

59% (1969)

50% (2011)

51% (1958)

83% (1974)

67% (1992)

65% (1965)

49% (1979)

66% (2021)