2004 |
77%
|
2005 |
65%
|
2006 |
64%
|
2007 |
61%
|
2008 |
57%
|
2009 |
67%
|
2010 |
62%
|
2017 |
57%
|
2021 |
52%
|
2023 |
66%
|
2010 |
67%
|