60% (1992)

77% (1949)

73% (1931)

67% (1982)

66% (1991)

58% (1969)

65% (2002)

51% (2001)

57% (1992)

59% (1991)

61% (1991)

54% (2000)

56% (1950)

58% (2004)

66% (1976)

61% (2020)

64% (1966)

65% (1981)

74% (1932)

61% (1989)