| 2012 |
69%
|
| 2015 |
77%
|
| 2010 |
74%
|
| 2017 |
52%
|
| 2018 |
72%
|
| 2006 |
45%
|
| 2007 |
37%
|
| 2016 |
43%
|
| 2008 |
41%
|
| 2007 |
39%
|
| 2009 |
40%
|
