52% (1991)

63% (1993)

66% (1998)

64% (2023)

73% (2024)

75% (2004)

57% (1992)

82% (2000)

63% (1988)

80% (1994)

72% (2001)

54% (1987)

58% (2011)

37% (1998)

71% (2024)

62% (1990)

54% (2015)

57% (1994)

68% (2024)

74% (1972)