57% (1975)

68% (2007)

71% (2022)

48% (1980)

66% (2013)

67% (2023)

48% (1998)

69% (2015)

60% (2009)

59% (2015)

56% (2002)

58% (2004)

75% (1994)

66% (1985)

62% (2003)

64% (2011)

72% (2017)

59% (1995)

76% (1938)

63% (2013)