65% (2002)

58% (2015)

69% (1981)

66% (1972)

73% (1966)

56% (1986)

46% (2017)

67% (1995)

73% (1988)

72% (1973)

66% (2019)

70% (1970)

64% (1969)

63% (1990)

64% (1985)

58% (1975)

73% (1976)

55% (1976)

62% (1973)

61% (1996)