61% (2025)

75% (1993)

76% (1989)

72% (1992)

73% (1987)

65% (1993)

63% (2011)

56% (2011)

64% (1991)

71% (1995)

74% (1986)

72% (1993)

52% (1997)

62% (1996)

53% (1998)

66% (2002)

70% (1990)

56% (2001)

62% (2005)

67% (1990)