53% (2006)

85% (1965)

75% (1989)

88% (1960)

50% (2005)

25% (1961)

50% (1971)

65% (1988)

42% (1967)

32% (2010)

45% (2003)

52% (1998)

50% (1994)

0% (1976)

28% (1926)

20% (1991)

80% (1978)

0% (1989)

100% (1982)

60% (1980)