| Value | Category | Cases | |
|---|---|---|---|
| 2018 | 354 |
77.3%
|
|
| 2019 | 90 |
19.7%
|
|
| 2020 | 12 |
2.6%
|
|
| 2021 | 2 |
0.4%
|
|
| Sysmiss | 386 |