| Value | Category | Cases | |
|---|---|---|---|
| 2015 | 3 |
21.4%
|
|
| 2018 | 1 |
7.1%
|
|
| 2019 | 8 |
57.1%
|
|
| 2020 | 2 |
14.3%
|
|
| Sysmiss | 4166 |