69% (1975)

72% (1981)

70% (1997)

85% (2009)

70% (1988)

45% (1972)

80% (2023)

72% (2018)

60% (1975)

65% (1974)

57% (1965)

53% (2010)

58% (1964)

63% (1973)

78% (2023)

51% (2010)

70% (1963)

60% (2022)

65% (1984)

64% (1996)