69% (2013)

68% (2020)

61% (2010)

65% (1997)

73% (1973)

69% (2023)

68% (2007)

56% (1994)

61% (2020)

71% (2017)

69% (2002)

54% (2021)

50% (2006)

58% (1979)

77% (2013)

74% (2018)

67% (1974)

67% (2014)

64% (1986)

70% (2012)