33% (1978)

63% (1993)

52% (1987)

62% (1986)

60% (1985)

56% (1997)

59% (1989)

52% (2024)

66% (1992)

67% (1992)

59% (1983)

70% (1991)

71% (1992)

67% (1991)

62% (2001)

66% (1992)

55% (2005)

68% (1992)

55% (2002)

73% (1992)