59% (1961)

36% (1997)

61% (1984)

48% (1993)

55% (1972)

67% (1969)

55% (1998)

68% (2018)

65% (1950)

69% (1932)

56% (2001)

48% (1986)

61% (1954)

49% (1979)

62% (1964)

57% (1949)

56% (1991)

69% (1935)

63% (1960)

63% (1972)