72% (1967)

63% (2017)

73% (2014)

74% (2023)

67% (2011)

67% (2010)

66% (2015)

62% (2018)

72% (1993)

67% (1974)

75% (2009)

74% (1990)

69% (1999)

63% (1983)

63% (2020)

58% (1981)

63% (1994)

66% (1986)

82% (1986)

65% (1988)