10% (2004)

60% (2006)

10% (2005)

30% (2005)

27% (2004)

44% (2006)

10% (2005)

50% (2004)

20% (2004)

35% (2006)

10% (2002)

0% (2006)

23% (2005)

0% (2004)

15% (2006)

10% (2005)

25% (2005)

10% (2007)

25% (2003)

20% (2006)