| 2015 |
40%
|
| 2017 |
39%
|
| 2018 |
35%
|
| 2016 |
34%
|
| 2014 |
36%
|
| 2018 |
23%
|
| 2017 |
25%
|
| 2019 |
35%
|
| 2015 |
28%
|
| 2019 |
33%
|
