2008 |
46%
|
2009 |
35%
|
2012 |
55%
|
2010 |
51%
|
2011 |
49%
|
2010 |
57%
|
2011 |
51%
|
2016 |
71%
|
2011 |
55%
|
2008 |
47%
|
2009 |
64%
|
2012 |
59%
|