63% (2000)

74% (1991)

63% (1988)

76% (2007)

56% (1996)

57% (1977)

78% (1973)

68% (2002)

69% (2015)

64% (2010)

70% (2002)

67% (2023)

75% (1967)

78% (2003)

71% (2002)

63% (2019)

78% (1980)

77% (1951)

70% (1971)

73% (2020)