0% (2000)

30% (2009)

30% (2007)

0% (2008)

15% (2009)

35% (2001)

30% (2011)

0% (2017)

40% (2012)

12% (1998)

20% (2003)

60% (2012)

60% (2013)

0% (2013)

37% (1997)

67% (2010)

70% (2015)

60% (1997)

0% (2010)

100% (2005)