72% (2004)

82% (2002)

10% (1971)

40% (1959)

70% (1947)

65% (2013)

50% (1969)

41% (2008)

59% (1967)

37% (1994)

66% (2009)

55% (1991)

41% (2006)

58% (1978)

70% (1994)

50% (1962)

39% (2014)

0% (1938)

49% (2005)

75% (1968)