70% (1953)

69% (1945)

65% (1994)

61% (1991)

71% (1962)

71% (1972)

63% (1986)

66% (2017)

48% (1965)

57% (2000)

68% (1964)

69% (1970)

54% (1996)

60% (2005)

69% (1996)

60% (2020)

63% (1934)

70% (1978)

51% (1979)

57% (2007)