84% (1969)

73% (1986)

68% (1983)

70% (1972)

78% (1979)

0% (1985)

85% (1977)

78% (1988)

0% (1980)

0% (1983)

0% (1977)

0% (1992)

83% (1980)

82% (1975)

78% (1957)

0% (1976)

0% (1969)

40% (1985)

60% (1978)

0% (1981)