46% (1990)

18% (1942)

53% (1982)

65% (1983)

90% (1980)

90% (1979)

50% (1973)

45% (1984)

35% (1986)

75% (1977)

55% (1960)

70% (1972)

44% (1986)

0% (1979)

0% (1991)

56% (1964)

30% (1984)

70% (1969)

20% (1973)

60% (1954)