74% (1964)

66% (1964)

0% (1961)

72% (2007)

46% (2006)

70% (1970)

71% (1990)

48% (2000)

0% (1994)

65% (1978)

61% (1989)

67% (2004)

75% (2002)

58% (2005)

74% (2004)

35% (1987)

72% (2006)

62% (1953)

49% (2001)

75% (2005)