10% (2004)

30% (2006)

60% (2006)

30% (2005)

44% (2006)

10% (2005)

10% (2002)

25% (2006)

0% (2006)

27% (2004)

40% (2006)

20% (2004)

0% (2006)

50% (2004)

10% (2005)

10% (2006)

0% (2002)

0% (2005)

40% (2005)

55% (2003)