49% (1970)

40% (1957)

53% (1992)

40% (1983)

30% (1963)

40% (1958)

0% (1962)

30% (1997)

0% (1991)

60% (1969)

32% (2000)

0% (1954)

55% (1943)

45% (1951)

52% (1976)

0% (1949)

54% (2004)

35% (1969)

80% (1979)

65% (1965)