58% (1971)

55% (2018)

50% (1968)

63% (1967)

55% (1973)

48% (1963)

30% (1957)

58% (1972)

50% (1966)

60% (1972)

43% (1984)

52% (1968)

0% (1971)

45% (1980)

70% (1970)

60% (1963)

75% (1971)

45% (1968)

58% (2014)

40% (1967)