71% (2014)

60% (1998)

50% (1983)

0% (1956)

0% (2023)

40% (1986)

73% (1980)

50% (1968)

0% (1987)

20% (1985)

67% (2007)

78% (1981)

72% (2012)

64% (2021)

60% (1974)

60% (1961)

50% (1977)

70% (1995)

65% (2016)

63% (2006)