70% (1971)

68% (1982)

66% (2007)

70% (1977)

40% (1967)

60% (1986)

63% (1979)

0% (1986)

60% (1980)

50% (1986)

67% (1970)

77% (1965)

33% (1990)

33% (1984)

57% (1971)

52% (1974)

0% (1975)

46% (1973)

63% (1984)

80% (1990)