78% (2003)

80% (1981)

76% (1985)

80% (2018)

87% (2010)

86% (2001)

80% (2015)

88% (1999)

84% (2004)

77% (2020)

72% (2015)

75% (1985)

54% (2011)

45% (2013)

79% (1986)

85% (2013)

71% (1960)

84% (2010)

85% (2008)

82% (1988)