78% (2021)

68% (2014)

74% (2013)

62% (2005)

70% (2014)

56% (2020)

78% (1985)

81% (2017)

63% (2005)

63% (2011)

33% (1987)

73% (2001)

60% (2000)

71% (1998)

57% (2016)

71% (2021)

58% (1988)

65% (2013)

55% (2012)

75% (2008)