66% (2018)

66% (2001)

60% (2015)

59% (2011)

69% (2007)

68% (1989)

66% (1997)

82% (1999)

56% (2005)

71% (1994)

72% (2014)

81% (1987)

80% (2000)

72% (2001)

75% (2014)

72% (2009)

74% (1999)

71% (2005)

78% (2007)

87% (2019)