77% (2024)

68% (1987)

77% (2015)

74% (1999)

72% (1989)

60% (2007)

72% (2010)

76% (2007)

79% (2016)

50% (1960)

84% (2019)

80% (2006)

75% (2019)

66% (2007)

85% (2020)

72% (2011)

80% (2009)

68% (2017)

57% (2012)

30% (1969)