49% (1958)

60% (1956)

57% (1959)

55% (1987)

30% (1967)

90% (1986)

54% (1991)

30% (1962)

65% (1961)

49% (1986)

60% (1968)

58% (1960)

60% (1962)

0% (1958)

90% (1980)

0% (1921)

0% (1961)

90% (1967)

66% (1986)

0% (1960)