72% (2014)

45% (1999)

48% (2005)

61% (2003)

32% (2009)

0% (1970)

38% (2011)

0% (2009)

52% (2014)

52% (2012)

0% (1970)

0% (2009)

55% (2004)

90% (2009)

58% (2005)

70% (2008)