32% (2009)

0% (2008)

0% (2007)

0% (2009)

43% (2007)

60% (1979)

0% (2009)

0% (2010)

50% (2008)

60% (1980)

20% (2006)

0% (2004)

0% (2005)

0% (2010)

60% (1980)

20% (2008)

0% (2009)

0% (2011)

35% (2009)

0% (2008)