76% (2020)

68% (2013)

62% (2011)

67% (1935)

69% (1970)

61% (2023)

69% (2015)

61% (2020)

65% (2011)

59% (2009)

42% (2023)

65% (2002)

54% (2008)

56% (2012)

60% (1981)

72% (1992)

66% (2016)

61% (2003)

63% (2009)

63% (1975)