2014 |
74%
|
1995 |
40%
|
2013 |
71%
|
2006 |
41%
|
2006 |
41%
|
2000 |
40%
|
2010 |
43%
|
2008 |
37%
|
2011 |
67%
|
2005 |
52%
|
2012 |
46%
|
2007 |
49%
|
2011 |
36%
|
2018 |
37%
|
2008 |
36%
|
2010 |
52%
|
2012 |
40%
|
2010 |
40%
|
2007 |
41%
|
2011 |
45%
|
2016 |
37%
|
2010 |
54%
|
2014 |
46%
|
2006 |
44%
|
1998 |
46%
|