63% (1985)

57% (1998)

54% (1994)

59% (1999)

63% (1992)

72% (1984)

65% (1984)

53% (1993)

63% (1989)

68% (1994)

69% (1984)

53% (1998)

67% (1986)

65% (1989)

64% (1994)

66% (1997)

65% (2017)

71% (1984)

66% (1989)

53% (1995)