57% (1944)

54% (1971)

43% (1968)

55% (1944)

55% (1953)

50% (1946)

42% (1987)

50% (1968)

54% (1951)

50% (1957)

70% (1963)

50% (1955)

57% (1945)

60% (1947)

52% (1944)

54% (1992)

48% (1967)

69% (1945)

67% (1972)

60% (1954)