72% (1967)

66% (2011)

80% (2023)

65% (2015)

63% (2017)

73% (2014)

66% (1999)

71% (1989)

61% (1994)

76% (2009)

61% (1985)

66% (1974)

58% (1981)

72% (1993)

64% (2010)

60% (2018)

69% (2022)

80% (1986)

62% (1983)

64% (1988)