0% (1979)

85% (1980)

60% (1975)

0% (1968)

49% (1973)

57% (1974)

70% (1974)

67% (1976)

40% (1979)

57% (1973)

40% (1972)

0% (1966)

0% (1988)

0% (1964)

37% (1972)

0% (1967)

63% (1990)

0% (1976)

54% (1977)

53% (1974)