20% (2004)

39% (2008)

27% (2013)

0% (2004)

19% (2008)

0% (2005)

0% (2004)

32% (2005)

42% (2003)

20% (1999)

28% (2006)

10% (1996)

40% (2004)

29% (2008)

10% (2010)

75% (2005)

63% (2001)

20% (2010)

10% (2012)

0% (2003)