63% (2009)

68% (1980)

78% (1995)

72% (2000)

66% (1975)

70% (1978)

78% (2020)

62% (1988)

57% (1992)

78% (2011)

66% (1988)

65% (2019)

68% (1991)

67% (1999)

66% (2019)

62% (2009)

77% (2022)

64% (2005)

68% (2007)

73% (2004)