53% (2013)

72% (2009)

0% (2004)

40% (2015)

0% (1999)

47% (2014)

26% (2011)

79% (2015)

73% (2012)

95% (2005)

58% (2008)

57% (2014)

32% (2012)

0% (2006)

42% (2012)

92% (2013)

79% (2014)

0% (1964)

0% (2001)

49% (2013)