84% (2004)

84% (1997)

81% (1988)

78% (1989)

80% (1986)

79% (1995)

78% (1992)

78% (1985)

71% (2002)

74% (1991)

64% (1994)

70% (1999)

50% (2014)

63% (1989)

73% (1993)

20% (1994)

77% (2000)

90% (2025)

73% (2014)

82% (1993)