18% (2010)

10% (2005)

22% (2003)

40% (2002)

40% (2004)

0% (2007)

30% (2007)

50% (2003)

29% (2007)

15% (2012)

32% (2007)

60% (2004)

20% (2010)

45% (2002)

28% (2006)

22% (2006)

0% (2012)

27% (2005)

19% (2008)

0% (2006)