82% (2011)

82% (2006)

76% (2011)

83% (2000)

77% (2007)

80% (2018)

78% (2007)

77% (1995)

77% (2019)

80% (2021)

67% (2014)

75% (2021)

75% (2011)

72% (1986)

73% (2011)

77% (2012)

72% (2005)

70% (2019)

72% (1984)

60% (1993)