72% (2009)

74% (2012)

79% (2015)

50% (2013)

40% (2015)

57% (2014)

92% (2013)

89% (1968)

47% (2014)

49% (2013)

42% (2012)

65% (1988)

0% (2004)

60% (2007)

79% (2014)

26% (2011)

0% (2015)

95% (2005)

58% (2008)

90% (2013)