62% (1997)

55% (2000)

0% (2002)

0% (2006)

43% (2014)

43% (1996)

32% (2012)

60% (2008)

55% (2008)

0% (2003)

70% (2010)

28% (2010)

10% (2004)

90% (2009)

0% (2006)

0% (2011)