51% (2023)

72% (2007)

64% (2023)

69% (2015)

61% (2001)

80% (2013)

70% (1979)

78% (1932)

70% (2007)

74% (2000)

71% (2013)

70% (2010)

59% (2009)

72% (1959)

56% (2015)

55% (2020)

64% (1999)

76% (2003)

76% (1969)

67% (2016)