51% (1978)

50% (2020)

82% (2014)

57% (2012)

56% (1975)

54% (2002)

70% (1977)

74% (1965)

67% (2015)

64% (1986)

69% (2007)

71% (1970)

61% (1989)

59% (2015)

82% (2023)

44% (1980)

72% (1965)

62% (1969)

51% (1976)

76% (1963)