| 2016 |
71%
|
| 2013 |
62%
|
| 2012 |
59%
|
| 2015 |
49%
|
| 2007 |
53%
|
| 2009 |
46%
|
| 2010 |
43%
|
| 2007 |
50%
|
| 2008 |
46%
|
| 2009 |
47%
|
