2007 |
66%
|
1994 |
72%
|
1997 |
72%
|
1996 |
72%
|
2000 |
67%
|
2011 |
71%
|
2012 |
71%
|
2014 |
71%
|
2013 |
71%
|
2015 |
74%
|