76% (2017)

82% (2011)

35% (2001)

50% (2015)

60% (1997)

40% (2012)

0% (2005)

60% (2013)

30% (2007)

12% (1998)

0% (2011)

67% (2010)

20% (2015)

15% (2009)

0% (2000)

20% (2003)

20% (2010)

60% (2012)

0% (2017)

75% (2000)