72% (1995)

66% (1989)

62% (1975)

79% (2004)

63% (2011)

76% (2005)

71% (1971)

75% (1997)

67% (2023)

66% (1999)

79% (2009)

76% (1960)

56% (1978)

80% (1999)

72% (2015)

81% (2017)

71% (2011)

60% (1997)

78% (2003)

70% (2012)