59% (1983)

68% (1967)

49% (1984)

35% (1960)

20% (1977)

46% (1991)

50% (1963)

85% (1973)

39% (1975)

70% (1967)

51% (1986)

55% (1967)

48% (1973)

58% (1974)

63% (1972)

57% (1963)

0% (1987)

63% (1961)

50% (1924)

59% (1985)