78% (2016)

49% (2005)

43% (2001)

45% (2002)

61% (2012)

44% (2002)

33% (2014)

30% (2007)

10% (2005)

20% (2014)

55% (2004)

77% (2012)

43% (2004)

0% (2009)

37% (2004)

44% (2008)

0% (2011)

73% (2011)

32% (2009)

0% (2007)