30% (2011)

60% (1997)

82% (2011)

0% (2009)

67% (2010)

15% (2009)

20% (2010)

50% (2015)

12% (1998)

0% (2006)

0% (2017)

20% (2003)

0% (2012)

0% (2013)

60% (2013)

0% (2000)

76% (2017)

30% (2009)

0% (2004)

0% (2005)