58% (1969)

57% (1989)

63% (1979)

0% (1972)

0% (1986)

0% (1971)

46% (1990)

0% (1992)

0% (1986)

0% (1972)

50% (1986)

66% (1966)

60% (1978)

50% (1960)

57% (1988)

50% (1968)

60% (1987)

58% (1979)

0% (1991)

50% (1990)