62% (2016)

57% (2020)

80% (1990)

62% (1998)

64% (1999)

67% (1995)

64% (1970)

59% (1984)

70% (2003)

59% (2018)

68% (1998)

64% (2017)

71% (1939)

71% (2017)

65% (2012)

55% (1994)

61% (1998)

55% (2011)

61% (2007)

56% (2021)