76% (1952)

62% (1940)

64% (1974)

52% (2014)

72% (1951)

56% (1992)

72% (1950)

61% (1947)

53% (1956)

56% (1984)

58% (1980)

64% (1944)

70% (1982)

48% (2001)

46% (2014)

65% (1981)

65% (1972)

62% (1970)

55% (1996)

49% (1992)