65% (1980)

69% (2006)

70% (1970)

71% (1982)

61% (1999)

65% (1958)

49% (1999)

61% (1991)

52% (2002)

50% (2015)

59% (1943)

65% (1993)

51% (1979)

73% (2000)

63% (1941)

64% (1994)

66% (1941)

73% (2010)

66% (1979)

74% (2001)