65% (1992)

74% (1982)

65% (1967)

61% (2012)

74% (2007)

67% (2006)

80% (2017)

60% (1999)

64% (2009)

66% (2011)

72% (2013)

63% (2006)

73% (2013)

79% (1985)

60% (2005)

57% (2006)

60% (2018)

62% (2003)

77% (2005)

80% (2015)