84% (2005)

90% (2006)

59% (2007)

0% (2011)

10% (2010)

57% (2010)

0% (2008)

57% (2009)

0% (2000)

62% (2005)

100% (1999)

50% (2013)

0% (2001)

0% (2014)

0% (2009)

0% (2007)

0% (2004)

0% (2008)

0% (2007)

0% (1997)