72% (2009)

53% (2013)

36% (2015)

42% (2012)

32% (2012)

95% (2005)

15% (2011)

57% (2014)

49% (2014)

46% (2013)

74% (2012)

79% (2015)

58% (2008)

83% (2014)

89% (1968)

0% (2015)

92% (2013)

68% (1988)

60% (2007)

0% (1999)