81% (1999)

90% (2011)

100% (2005)

93% (2008)

0% (2002)

33% (2004)

0% (2010)

93% (2005)

0% (2008)

50% (2004)

0% (2004)

0% (2004)

0% (2004)

0% (2007)

0% (2005)

0% (2010)

0% (2005)

10% (2004)