2008 |
66%
|
2014 |
48%
|
2009 |
52%
|
2011 |
47%
|
2010 |
56%
|
2012 |
57%
|
2010 |
52%
|
2020 |
36%
|
2012 |
37%
|
2010 |
53%
|
2010 |
43%
|
2006 |
51%
|
2013 |
34%
|
2016 |
52%
|
2013 |
35%
|
2011 |
36%
|
2009 |
52%
|
2014 |
34%
|
2014 |
36%
|
2007 |
64%
|
2008 |
53%
|
2010 |
53%
|