63% (1974)

50% (1968)

63% (1966)

67% (2007)

30% (1979)

52% (1957)

50% (1947)

52% (2006)

81% (1972)

0% (1990)

20% (1990)

59% (1987)

50% (1965)

50% (1964)

75% (2008)

70% (1965)

65% (1966)

69% (1997)

70% (1964)

0% (1982)