70% (1979)

56% (1984)

62% (2019)

61% (2021)

66% (1988)

54% (1988)

49% (1994)

60% (1987)

61% (1992)

68% (1979)

57% (1990)

71% (1986)

59% (1983)

60% (1987)

48% (1980)

75% (1986)

59% (1992)

62% (1984)

65% (1988)

58% (1990)