73% (1975)

69% (2002)

67% (1991)

53% (1997)

63% (1983)

70% (1962)

66% (1943)

62% (1964)

56% (1984)

61% (1986)

70% (2005)

61% (1981)

60% (1995)

70% (1967)

44% (1972)

64% (2021)

70% (1949)

66% (2007)

65% (1941)

46% (1996)