38% (2011)

66% (2013)

0% (2009)

52% (2014)

50% (2010)

0% (1970)

90% (2009)

50% (2005)

0% (1970)

65% (2015)

52% (2012)

32% (2009)

36% (2003)

65% (2008)

0% (2009)

58% (2005)

70% (2008)