35% (2003)

23% (2012)

26% (2002)

20% (2008)

43% (2013)

41% (2015)

38% (2002)

0% (2007)

30% (2004)

58% (2012)

0% (2009)

40% (2001)

44% (2001)

50% (2003)

10% (2012)

20% (2003)

65% (2002)

10% (2006)

0% (2011)

58% (2003)