| Value | Category | Cases | |
|---|---|---|---|
| 2016 | 2 |
2.8%
|
|
| 2018 | 7 |
9.7%
|
|
| 2019 | 15 |
20.8%
|
|
| 2020 | 48 |
66.7%
|
|
| Sysmiss | 306 |