79% (2018)

80% (2000)

85% (1996)

73% (2020)

82% (2006)

72% (2019)

81% (2009)

80% (2008)

84% (2013)

77% (1992)

70% (2009)

81% (2018)

100% (2016)

80% (1987)

87% (1999)

81% (2009)

60% (1969)

76% (1981)

71% (2011)

70% (1990)