82% (2011)

83% (2006)

76% (2011)

77% (2007)

72% (1986)

78% (1995)

72% (2005)

83% (2000)

75% (2021)

80% (2018)

71% (2019)

80% (2021)

77% (2019)

78% (2007)

67% (2014)

72% (1984)

76% (2018)

66% (2012)

80% (2012)

76% (2011)