| Value | Category | Cases | |
|---|---|---|---|
| 2008 | 1 |
5.9%
|
|
| 2014 | 4 |
23.5%
|
|
| 2015 | 5 |
29.4%
|
|
| 2016 | 5 |
29.4%
|
|
| 2017 | 2 |
11.8%
|