80% (2004)

77% (1987)

24% (2015)

60% (2011)

40% (2014)

43% (2013)

78% (2011)

67% (2013)

30% (2010)

77% (2007)

70% (2015)

68% (2012)

70% (2007)

60% (2005)

78% (2014)

57% (2015)

34% (2015)

79% (2015)

60% (2007)

58% (2008)