68% (2013)

77% (2022)

72% (1996)

74% (2009)

56% (1998)

67% (1994)

66% (2013)

66% (2006)

73% (1986)

62% (1988)

59% (2009)

66% (1998)

66% (2013)

69% (1991)

67% (1993)

66% (1987)

57% (1998)

63% (1985)

69% (1989)

77% (2011)