70% (1975)

72% (1967)

55% (1974)

71% (1966)

70% (2011)

74% (1968)

60% (2008)

64% (2017)

46% (2020)

71% (1986)

79% (1956)

57% (2004)

56% (1980)

54% (1999)

58% (1983)

68% (1985)

71% (2008)

41% (1983)

63% (1976)

71% (2021)