61% (2025)

76% (1989)

71% (1992)

72% (1984)

55% (2011)

74% (1993)

75% (1986)

65% (1992)

73% (1987)

62% (1996)

64% (1993)

52% (1997)

62% (2005)

67% (1990)

53% (1998)

63% (2011)

72% (1993)

57% (1993)

65% (2010)

66% (2002)