2009 |
78%
|
2011 |
74%
|
2007 |
69%
|
2010 |
64%
|
2006 |
60%
|
2008 |
68%
|
2008 |
55%
|
2011 |
60%
|
2010 |
63%
|
2009 |
71%
|
2013 |
65%
|
2007 |
68%
|
2010 |
55%
|
2013 |
43%
|
2010 |
54%
|
2005 |
68%
|
2018 |
66%
|
2015 |
76%
|
2010 |
71%
|
2018 |
52%
|
2011 |
41%
|
2006 |
61%
|
2010 |
47%
|