64% (1982)

68% (1979)

0% (1974)

63% (1963)

68% (1966)

0% (1972)

0% (2000)

80% (1979)

60% (1978)

0% (1981)

0% (1991)

70% (1971)

66% (1975)

0% (1979)

72% (1963)

85% (1985)

0% (1959)

0% (1966)

10% (1990)

68% (1970)