39% (1965)

42% (1959)

50% (1961)

35% (1972)

50% (1959)

40% (1960)

44% (1970)

38% (1959)

47% (1958)

50% (1964)

30% (1963)

42% (1963)

47% (1961)

0% (1962)

0% (1970)

40% (1964)

10% (1970)