50% (2004)

60% (1997)

0% (2009)

67% (2010)

70% (1998)

15% (2009)

50% (2015)

12% (1998)

0% (2002)

0% (2006)

20% (2003)

0% (2013)

0% (2000)

30% (2009)

0% (2004)

0% (2005)

0% (2000)

0% (2013)

20% (2014)

20% (1999)