76% (1964)

76% (1964)

72% (2007)

62% (1980)

69% (2004)

71% (1990)

38% (1965)

53% (2002)

71% (1983)

86% (2013)

0% (1994)

60% (1962)

79% (1978)

70% (1996)

50% (1982)

78% (2008)

68% (2004)

75% (2002)

76% (2010)

64% (2006)