83% (2005)

59% (2007)

90% (2006)

0% (2011)

10% (2010)

0% (2008)

50% (2013)

57% (2010)

57% (2009)

62% (2005)

0% (2001)

0% (2000)

100% (1999)

0% (2014)

0% (2008)

0% (2007)

0% (2009)

0% (2007)

0% (1997)

0% (1998)