2012 |
64%
|
2014 |
52%
|
2013 |
66%
|
2012 |
57%
|
2015 |
47%
|
2013 |
54%
|
2011 |
51%
|
2011 |
60%
|
2015 |
57%
|
2013 |
52%
|
2014 |
60%
|