1997 |
78%
|
1991 |
68%
|
2010 |
82%
|
2011 |
81%
|
2010 |
82%
|
2012 |
80%
|
2009 |
70%
|
1991 |
67%
|
2010 |
76%
|
1992 |
71%
|
2006 |
51%
|
2013 |
67%
|
2007 |
71%
|
2004 |
69%
|
2013 |
82%
|
2008 |
58%
|
2009 |
72%
|
1990 |
78%
|
2001 |
81%
|
2008 |
68%
|
2002 |
91%
|
2003 |
68%
|
2011 |
69%
|
2012 |
41%
|
2005 |
73%
|
2006 |
52%
|
2012 |
71%
|
2009 |
82%
|
2014 |
46%
|
2012 |
83%
|
2011 |
58%
|
2010 |
58%
|
2011 |
50%
|
1992 |
--
|
2013 |
--
|
2012 |
--
|
2000 |
--
|
2012 |
--
|
2013 |
--
|
2010 |
--
|
2013 |
--
|
2009 |
--
|
2012 |
--
|
2002 |
--
|
2010 |
--
|
2012 |
--
|
2012 |
--
|
2007 |
--
|
2005 |
--
|
2006 |
--
|
2011 |
--
|
2013 |
--
|
2012 |
--
|
2005 |
--
|
2012 |
--
|
2013 |
--
|
2013 |
--
|
2005 |
--
|
2009 |
--
|