50% (1969)

66% (1986)

48% (1982)

70% (1965)

57% (1965)

75% (1987)

0% (1969)

0% (1952)

77% (1976)

55% (1979)

58% (1984)

47% (1970)

80% (1988)

45% (1970)

70% (1968)

0% (1979)

0% (1975)

60% (1969)

0% (1970)

60% (1985)