76% (2019)

42% (1970)

65% (1954)

59% (1968)

57% (1935)

72% (1983)

59% (1997)

67% (1963)

57% (1966)

50% (1984)

73% (2001)

75% (2013)

51% (2001)

71% (1983)

64% (1953)

61% (1997)

58% (1993)

61% (1979)

64% (1958)

63% (2002)