51% (2010)

65% (1974)

70% (2013)

71% (2016)

70% (1977)

53% (2020)

58% (2018)

73% (1999)

55% (2005)

68% (1995)

62% (2015)

74% (1964)

62% (1983)

48% (2015)

69% (1984)

64% (2002)

73% (2016)

59% (1942)

72% (2010)

59% (2006)