70% (2005)

70% (2010)

60% (2016)

81% (2019)

77% (2007)

79% (2011)

64% (2009)

68% (2019)

84% (2018)

68% (1990)

69% (2016)

69% (1993)

0% (1982)

65% (2016)

72% (1996)

76% (1992)

66% (2010)

73% (2011)

42% (2006)

80% (2009)