63% (1986)

70% (1968)

56% (1959)

60% (2016)

60% (2017)

71% (2021)

84% (1976)

76% (1994)

70% (1953)

45% (1955)

79% (1976)

67% (2000)

51% (1991)

71% (1993)

73% (1981)

65% (1999)

75% (1998)

62% (1980)

50% (1955)

56% (1980)