40% (2013)

49% (2005)

71% (2000)

68% (2005)

58% (1989)

74% (2003)

60% (2010)

69% (1980)

79% (1969)

77% (1967)

66% (1985)

64% (2006)

73% (1989)

57% (2017)

59% (2019)

72% (1997)

80% (2012)

63% (2002)

53% (1994)

69% (2020)