71% (1946)

67% (1948)

53% (2002)

73% (1970)

52% (1976)

67% (1955)

68% (1966)

70% (1959)

67% (1985)

63% (1989)

62% (1995)

71% (1968)

72% (1955)

61% (1933)

63% (1989)

63% (1975)

71% (1964)

54% (1999)

63% (1978)

63% (1951)