79% (2008)

83% (2005)

78% (2000)

70% (2016)

70% (2015)

79% (1990)

60% (1975)

73% (2021)

66% (2007)

63% (2021)

75% (2016)

60% (2010)

58% (2012)

80% (2009)

77% (2005)

60% (2004)

77% (2005)

70% (1983)

74% (1989)

0% (2012)