10% (2006)

45% (2006)

0% (2007)

0% (2007)

33% (2002)

50% (2005)

10% (2006)

33% (2001)

30% (2006)

43% (2003)

10% (2004)

10% (1998)

20% (2009)

0% (2008)

0% (2004)

0% (2003)

50% (1997)

10% (2002)

10% (2006)

10% (2010)