45% (1975)

60% (1966)

38% (1989)

80% (1955)

0% (1991)

0% (1975)

0% (1981)

40% (1976)

62% (1961)

50% (1991)

0% (1968)

70% (1963)

0% (1987)

67% (1966)

10% (1974)

0% (1983)

10% (1982)

80% (1965)

75% (1988)

70% (1974)