61% (2005)

64% (1997)

70% (1967)

78% (1932)

70% (1994)

74% (2014)

68% (1989)

73% (1983)

51% (2008)

82% (1952)

70% (1962)

67% (1958)

46% (1993)

73% (1935)

46% (1983)

67% (2007)

78% (1988)

62% (1986)

71% (2008)

73% (1961)