52% (1952)

0% (1978)

63% (1968)

31% (1971)

68% (1988)

0% (1986)

0% (1965)

50% (1979)

0% (1973)

0% (1968)

0% (1990)

0% (1983)

50% (1972)

70% (2001)

0% (1981)

50% (1984)

0% (1966)

80% (1982)

60% (1964)

0% (1959)