| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 26 |
12.8%
|
| 2014 | 1 |
0.5%
|
|
| 2016 | 1 |
0.5%
|
|
| 2017 | 2 |
1%
|
|
| 2018 | 3 |
1.5%
|
|
| 2019 | 3 |
1.5%
|
|
| 2020 | 12 |
5.9%
|
|
| 2021 | 18 |
8.9%
|
|
| 2022 | 45 |
22.2%
|
|
| 2023 | 59 |
29.1%
|
|
| 2024 | 32 |
15.8%
|
|
| 2025 | 1 |
0.5%
|
|
| Sysmiss | 442 |