71% (1984)

58% (1985)

38% (1999)

65% (1987)

68% (2004)

40% (2023)

62% (1991)

60% (1988)

57% (1988)

60% (1986)

55% (1989)

80% (1991)

70% (1990)

56% (1994)

50% (2009)

52% (1991)

0% (1996)

55% (1997)

60% (2001)

50% (1990)