82% (2008)

66% (2023)

76% (1976)

56% (1996)

58% (1978)

52% (2014)

73% (2011)

63% (1967)

69% (2017)

64% (1987)

72% (1984)

64% (2018)

71% (2019)

61% (2006)

57% (1976)

61% (2013)

53% (1980)

61% (2023)

77% (2018)

67% (2023)