2008 |
74%
|
2005 |
72%
|
2006 |
69%
|
2004 |
72%
|
2010 |
73%
|
2012 |
55%
|
2011 |
49%
|
2018 |
68%
|
2019 |
68%
|
2020 |
68%
|
2021 |
68%
|
2010 |
64%
|
2005 |
33%
|
2007 |
67%
|
2017 |
57%
|
2009 |
58%
|
2019 |
53%
|