77% (1972)

63% (2000)

75% (1971)

63% (2012)

63% (1971)

73% (2003)

72% (1992)

76% (1968)

62% (2020)

62% (1985)

71% (2018)

63% (2003)

64% (2012)

59% (1992)

56% (2012)

63% (1986)

63% (2003)

71% (2000)

71% (2007)

68% (1969)