71% (2018)

69% (2024)

58% (2023)

68% (1949)

67% (2017)

59% (2014)

71% (1979)

59% (1994)

56% (2022)

64% (2005)

78% (1967)

74% (2001)

62% (2024)

35% (1995)

56% (2013)

49% (1993)

70% (1933)

61% (2024)

61% (2023)

69% (2025)