72% (2011)

65% (2006)

71% (2018)

68% (1992)

74% (1993)

39% (1975)

60% (2009)

73% (2002)

58% (2012)

56% (2010)

60% (2009)

65% (2010)

56% (2020)

71% (2019)

63% (2020)

70% (2010)

59% (2006)

68% (1947)

72% (2020)

62% (2005)