71% (1970)

55% (1982)

72% (1934)

59% (1991)

56% (2004)

45% (1989)

63% (1987)

0% (1970)

75% (1934)

63% (2007)

63% (1997)

79% (1982)

70% (1942)

61% (1984)

55% (1990)

54% (1961)

64% (1968)

53% (1986)

67% (1958)

61% (1990)