45% (1976)

60% (1980)

52% (1954)

0% (1964)

0% (1996)

55% (1974)

52% (1971)

48% (1980)

66% (1964)

49% (1986)

53% (1978)

60% (1976)

38% (1971)

55% (1973)

57% (1989)

0% (1961)

0% (1991)

0% (1948)

65% (1976)

61% (1966)