63% (2016)

68% (2013)

54% (1980)

71% (2016)

63% (1987)

65% (2010)

64% (2005)

72% (2018)

68% (1981)

50% (1978)

51% (1966)

53% (1977)

56% (1968)

57% (1969)

84% (2021)

39% (1975)

50% (1983)

62% (1972)

75% (1963)

57% (1974)