50% (1968)

83% (1975)

62% (1936)

61% (1907)

54% (1956)

60% (1997)

65% (1945)

63% (1985)

37% (2009)

52% (1985)

71% (1988)

52% (2012)

60% (2021)

75% (1979)

69% (2006)

40% (2007)

67% (1938)

58% (1982)

64% (2005)

63% (2013)