65% (1980)

79% (1928)

45% (1964)

68% (1970)

52% (1988)

57% (2008)

68% (1936)

65% (1950)

55% (1980)

70% (1941)

69% (1993)

71% (1945)

60% (2005)

53% (1953)

70% (1934)

66% (1976)

57% (1992)

60% (2003)

65% (1935)

63% (1988)