64% (1988)

72% (2019)

67% (1966)

67% (2007)

73% (1947)

62% (1975)

64% (1975)

57% (1995)

71% (2002)

67% (1995)

55% (2002)

60% (1936)

60% (1976)

57% (1986)

63% (1989)

68% (2001)

64% (1977)

70% (1971)

64% (1979)

77% (2021)