20% (2007)

30% (2002)

40% (2006)

40% (2007)

0% (2009)

0% (2006)

50% (2006)

15% (2014)

20% (2006)

42% (2011)

15% (2012)

58% (2005)

27% (2003)

0% (2006)

19% (2001)

0% (2010)

40% (2008)

0% (2003)

0% (2007)

12% (2012)