73% (1986)

40% (2015)

72% (2014)

71% (2018)

58% (2018)

58% (1975)

66% (2011)

71% (2003)

62% (2005)

57% (2017)

70% (2004)

33% (2012)

56% (2018)

56% (2011)

68% (2012)

76% (2010)

56% (2017)

70% (1977)

51% (1974)

52% (2015)