52% (1972)

57% (1980)

70% (1986)

62% (1972)

52% (1997)

61% (2007)

76% (2006)

81% (1967)

69% (1972)

59% (1988)

53% (2001)

54% (2005)

45% (2004)

69% (2023)

90% (2024)

71% (2023)

59% (2023)

73% (2019)

0% (1993)

50% (1988)