77% (1986)

78% (2007)

61% (2013)

76% (2015)

70% (2013)

85% (2009)

74% (2015)

58% (2014)

72% (2003)

74% (2007)

66% (2014)

68% (2012)

40% (2015)

60% (2016)

0% (2008)

53% (2010)

45% (2012)

40% (2013)

58% (2015)

72% (2012)