77% (2004)

71% (2020)

68% (2018)

65% (2017)

70% (2023)

64% (2017)

66% (2016)

69% (2011)

54% (2006)

71% (2009)

80% (2010)

62% (2015)

67% (2006)

69% (2009)

66% (1996)

70% (1985)

58% (2015)

68% (1953)

75% (2014)

79% (2020)