69% (2015)

67% (2013)

66% (2023)

63% (2000)

65% (1998)

68% (2023)

67% (2009)

72% (1998)

69% (2019)

63% (2018)

72% (2023)

31% (1992)

55% (1985)

80% (1948)

67% (2022)

54% (2011)

76% (2018)

70% (2004)

71% (2003)

78% (2014)