81% (2005)

80% (1989)

85% (2000)

82% (2011)

74% (1999)

85% (2018)

83% (2005)

79% (2009)

82% (2018)

70% (2005)

78% (2001)

82% (2005)

78% (2011)

84% (1999)

67% (1989)

84% (1993)

81% (2020)

70% (1993)

74% (2011)

81% (1997)