| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 2000 | 2 |
2.9%
|
|
| 2015 | 2 |
2.9%
|
|
| 2016 | 1 |
1.4%
|
|
| 2019 | 1 |
1.4%
|
|
| 2020 | 7 |
10%
|
|
| 2021 | 14 |
20%
|
|
| 2022 | 22 |
31.4%
|
|
| 2023 | 21 |
30%
|
|
| Sysmiss | 78 |