2017 |
63%
|
1995 |
79%
|
2004 |
74%
|
2002 |
85%
|
2004 |
85%
|
2008 |
78%
|
2006 |
78%
|
2013 |
71%
|
2015 |
66%
|
2013 |
71%
|
2014 |
71%
|
2014 |
71%
|
1988 |
68%
|
2015 |
73%
|
2015 |
71%
|
1993 |
68%
|