10% (2004)

27% (2004)

30% (2005)

60% (2003)

60% (2006)

20% (2004)

10% (2005)

10% (2005)

10% (2005)

40% (2006)

10% (2002)

0% (2004)

35% (2006)

50% (2004)

44% (2006)

20% (2006)

20% (2005)

15% (2006)

0% (2006)

10% (2004)