0% (1992)

0% (1990)

0% (2006)

0% (2007)

50% (2010)

38% (2005)

0% (2005)

70% (1986)

0% (2011)

0% (1970)

50% (1990)

0% (2009)

0% (2006)

80% (2009)

58% (2011)

80% (2011)

32% (2007)

100% (1994)

0% (2009)

47% (2008)