61% (2021)

58% (2020)

78% (2008)

72% (2008)

64% (1999)

66% (1974)

76% (2013)

60% (1994)

52% (1999)

60% (2004)

67% (2017)

56% (1984)

57% (1988)

74% (2014)

67% (1992)

64% (1976)

76% (1960)

64% (2018)

81% (2017)

55% (2015)