63% (1976)

50% (1984)

59% (1974)

43% (1986)

63% (1981)

30% (1964)

48% (1926)

50% (1981)

0% (1980)

58% (1964)

0% (1972)

0% (1977)

50% (1985)

53% (1971)

57% (1955)

57% (1966)

54% (1967)

60% (1978)

58% (1970)

51% (1986)