68% (1979)

64% (1982)

0% (1972)

0% (1967)

72% (1963)

66% (1963)

85% (1985)

0% (1971)

0% (1981)

0% (1991)

100% (1985)

66% (1975)

0% (1992)

60% (1970)

0% (2000)

68% (1970)

80% (1979)

68% (1966)

10% (1990)

0% (1963)