71% (1989)

60% (1981)

73% (1999)

59% (1996)

73% (1987)

78% (1996)

72% (1993)

55% (1994)

45% (1991)

61% (1983)

60% (1996)

58% (1994)

52% (2024)

60% (2000)

67% (2008)

72% (1996)

65% (2010)

71% (1981)

62% (1984)

72% (1984)