79% (2021)

66% (2022)

70% (2015)

81% (2010)

70% (1983)

63% (1982)

48% (2004)

67% (2018)

68% (2017)

71% (2023)

80% (2018)

77% (2017)

76% (2021)

84% (1995)

67% (2010)

50% (1972)

0% (2003)

80% (2004)

74% (2013)

72% (2021)