| Value | Category | Cases | |
|---|---|---|---|
| 2015 | 41 |
7.2%
|
|
| 2016 | 61 |
10.7%
|
|
| 2017 | 60 |
10.5%
|
|
| 2018 | 204 |
35.9%
|
|
| 2019 | 203 |
35.7%
|
|
| Sysmiss | 0 |