80% (1997)

79% (2000)

80% (2008)

58% (2002)

78% (2002)

81% (2006)

67% (2007)

84% (2004)

82% (2019)

78% (2001)

67% (2005)

80% (2018)

86% (2007)

84% (2002)

72% (2015)

78% (2014)

74% (1981)

53% (2011)

73% (2006)

85% (2012)