72% (1997)

59% (2009)

76% (2014)

84% (1993)

74% (2011)

66% (2012)

74% (1990)

80% (1998)

73% (2016)

81% (2020)

59% (1992)

78% (2003)

72% (2015)

76% (2017)

73% (2011)

83% (1994)

64% (2001)

76% (2010)

80% (2003)

84% (2002)