20% (2005)

30% (2004)

0% (2005)

20% (2009)

38% (2000)

30% (2003)

30% (2006)

100% (2003)

55% (2008)

0% (2007)

20% (2010)

30% (1998)

27% (2006)

10% (2004)

10% (2009)

50% (2003)

20% (2008)

25% (2001)

20% (2001)

58% (2003)