60% (1982)

60% (1984)

83% (1983)

0% (1979)

66% (1972)

52% (1970)

70% (1964)

54% (1981)

0% (1966)

54% (1987)

45% (1983)

59% (1996)

60% (1972)

63% (1981)

70% (1968)

0% (1952)

90% (1968)

59% (1983)

69% (1987)

0% (1984)