67% (1994)

63% (2006)

67% (1999)

20% (2000)

74% (2015)

71% (2007)

76% (2013)

59% (2016)

73% (2015)

69% (2004)

67% (2009)

71% (1966)

65% (1966)

84% (2015)

64% (1990)

65% (1943)

77% (1997)

78% (2008)

77% (1987)

58% (1959)