70% (1953)

70% (1974)

80% (1963)

82% (1992)

50% (1997)

55% (1958)

72% (2001)

63% (1966)

79% (1985)

50% (1980)

72% (1984)

0% (1967)

60% (1981)

57% (2021)

60% (2012)

72% (1988)

78% (1976)

50% (1957)

77% (1978)

57% (1963)