0% (2007)

30% (2006)

33% (2002)

10% (2006)

0% (2009)

35% (2006)

100% (2003)

0% (2004)

10% (1998)

20% (2007)

0% (2008)

0% (2004)

10% (2007)

0% (2007)

20% (2005)

20% (2005)

25% (1997)

67% (2006)

55% (2006)

38% (2000)