72% (2007)

66% (1964)

76% (1964)

62% (1980)

62% (1953)

67% (1978)

70% (1970)

60% (1999)

0% (1994)

42% (1985)

78% (2008)

53% (2002)

75% (1956)

32% (1998)

86% (2013)

71% (1990)

75% (2005)

61% (1986)

68% (2004)

59% (2004)