76% (1969)

73% (1988)

69% (1978)

0% (1962)

65% (1948)

35% (1965)

68% (2002)

70% (1975)

50% (1959)

53% (1972)

73% (2016)

79% (1976)

73% (2015)

58% (1953)

63% (1980)

75% (1989)

70% (1961)

48% (1974)

46% (1975)

75% (1976)