78% (2007)

74% (2015)

70% (2013)

78% (1986)

0% (2014)

74% (2015)

90% (2008)

58% (2014)

79% (2015)

72% (2003)

70% (2014)

45% (2015)

67% (2015)

71% (2012)

40% (2015)

18% (2014)

71% (2014)

60% (2016)

64% (2014)

40% (2011)