79% (1998)

86% (2000)

87% (2002)

79% (1996)

82% (2005)

64% (2017)

65% (2001)

66% (1981)

80% (2006)

78% (2013)

71% (2008)

40% (2001)

78% (2015)

76% (2018)

80% (2002)

48% (2002)

81% (1999)

61% (2013)

71% (2004)

80% (1995)