61% (2008)

61% (2014)

72% (2020)

60% (1990)

62% (1989)

58% (2013)

65% (1973)

49% (1983)

73% (1940)

71% (2005)

61% (2018)

62% (2006)

72% (2014)

68% (1977)

75% (1962)

64% (2017)

55% (2019)

62% (2018)

70% (2000)

52% (1976)