62% (2021)

61% (2002)

65% (2013)

49% (1992)

59% (1976)

71% (2014)

80% (2008)

74% (2010)

60% (2008)

69% (2016)

80% (1986)

79% (2012)

73% (2017)

84% (2001)

88% (1995)

70% (1986)

60% (1986)

76% (2004)

81% (2009)

77% (2018)