2003 |
79%
|
2006 |
73%
|
2007 |
65%
|
2011 |
66%
|
2017 |
65%
|
2011 |
55%
|
2015 |
64%
|
2005 |
72%
|
2016 |
54%
|
1998 |
74%
|
2007 |
68%
|
2010 |
62%
|
2019 |
67%
|