| 2016 |
35%
|
| 2017 |
34%
|
| 2012 |
46%
|
| 2017 |
39%
|
| 2012 |
46%
|
| 2011 |
36%
|
| 2013 |
43%
|
| 2012 |
40%
|
| 2017 |
37%
|
| 2016 |
47%
|
| 2011 |
42%
|
| 2015 |
47%
|
| 2013 |
51%
|
| 2011 |
38%
|
| 2016 |
49%
|
| 2015 |
48%
|
| 2014 |
52%
|
| 2013 |
55%
|
| 2014 |
55%
|
