66% (1997)

78% (2015)

68% (1949)

77% (1989)

70% (2018)

64% (1975)

72% (1977)

60% (1952)

78% (1970)

70% (1965)

61% (1966)

71% (1978)

68% (2002)

83% (1993)

70% (1973)

50% (1959)

78% (1963)

67% (2012)

64% (1995)

73% (2014)