20% (1989)

51% (1951)

75% (2014)

66% (1965)

68% (1979)

56% (1971)

34% (2013)

64% (2018)

65% (1985)

54% (1977)

72% (2021)

51% (2003)

63% (2005)

33% (2005)

68% (1971)

55% (1972)

58% (1965)

38% (2001)

22% (2005)

70% (2023)