67% (1959)

70% (1980)

70% (1977)

63% (1975)

63% (1961)

50% (1964)

50% (1955)

50% (1991)

0% (1976)

70% (1967)

0% (1980)

55% (1957)

63% (1986)

50% (1984)

58% (1970)

0% (2002)

72% (1982)

0% (1974)

0% (1968)

63% (1966)