72% (1979)

81% (2007)

65% (1996)

59% (2019)

72% (2007)

56% (2009)

64% (2001)

58% (2017)

75% (1951)

59% (2015)

65% (2006)

65% (2016)

63% (2000)

62% (2016)

49% (2010)

54% (2008)

63% (1998)

52% (2006)

63% (2016)

70% (1993)