74% (1964)

66% (1964)

76% (2005)

53% (2002)

49% (2001)

72% (1990)

71% (1973)

72% (2007)

45% (1982)

46% (2006)

70% (1970)

0% (1961)

69% (2004)

41% (1985)

48% (2000)

32% (1998)

79% (1963)

61% (1955)

60% (2002)

90% (1971)