68% (2024)

62% (2011)

57% (2007)

61% (2023)

69% (1988)

72% (1984)

59% (1994)

64% (2021)

67% (1999)

66% (1987)

56% (1996)

60% (1990)

50% (2000)

59% (1986)

73% (1987)

61% (1989)

77% (1983)

51% (1995)

57% (1992)

53% (1998)