20% (1936)

62% (1988)

68% (1950)

35% (1956)

57% (1939)

65% (1945)

75% (1993)

54% (1944)

30% (1978)

65% (1948)

73% (1999)

68% (1933)

60% (2017)

68% (1993)

77% (2017)

56% (1930)

50% (1999)

58% (1994)

54% (2008)

64% (2004)