78% (2016)

43% (2001)

49% (2005)

61% (2012)

40% (2014)

77% (2012)

20% (2014)

50% (2011)

47% (2002)

0% (2009)

45% (2002)

0% (2007)

0% (2003)

55% (2004)

10% (2009)

10% (2005)

10% (2007)

52% (2008)

57% (2006)

10% (2006)