0% (1970)

71% (2009)

78% (2018)

84% (2019)

49% (2015)

53% (2008)

63% (2015)

71% (1972)

77% (2012)

61% (2012)

62% (2004)

33% (1987)

65% (1943)

58% (2014)

59% (2004)

61% (2012)

73% (2006)

48% (2012)

57% (2015)

69% (2014)