25% (2003)

0% (1991)

33% (2004)

100% (1989)

54% (2011)

0% (2010)

0% (1990)

70% (2006)

20% (2008)

60% (1970)

50% (2007)

60% (1995)

20% (2006)

34% (2005)

20% (2009)

0% (1997)

20% (2014)

80% (2008)

60% (1995)

72% (2012)