61% (2025)

73% (1987)

72% (1992)

64% (1991)

76% (1989)

75% (1993)

64% (2011)

66% (2002)

56% (2011)

60% (1993)

52% (1997)

65% (1993)

74% (1986)

62% (1996)

67% (1990)

65% (1992)

70% (1987)

56% (2001)

62% (2005)

72% (1993)