| Value | Category | Cases | |
|---|---|---|---|
| 2019 | 2019 | 6 |
0.8%
|
| 2020 | 2020 | 168 |
21.4%
|
| 2021 | 2021 | 85 |
10.8%
|
| Sysmiss | 525 |
67%
|