70% (1981)

50% (1956)

51% (1965)

71% (1979)

77% (1986)

53% (1966)

75% (1979)

62% (1969)

58% (1950)

49% (1956)

90% (1977)

33% (1979)

60% (1944)

0% (1989)

62% (1975)

0% (1971)

48% (1973)

51% (1989)

0% (1991)

0% (1986)