| Value | Category | Cases | |
|---|---|---|---|
| 2016 | 5 |
5.3%
|
|
| 2017 | 2 |
2.1%
|
|
| 2018 | 13 |
13.7%
|
|
| 2019 | 24 |
25.3%
|
|
| 2020 | 51 |
53.7%
|
|
| Sysmiss | 386 |