81% (2013)

83% (1997)

83% (2007)

82% (2003)

80% (2004)

77% (2008)

82% (2004)

60% (2005)

81% (2010)

70% (2015)

67% (1999)

71% (2000)

80% (2004)

76% (2001)

84% (2019)

79% (2024)

76% (1991)

71% (1985)

76% (2001)

65% (2003)