| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 56 |
6.9%
|
| 2009 | 2 |
0.2%
|
|
| 2010 | 1 |
0.1%
|
|
| 2015 | 1 |
0.1%
|
|
| 2016 | 2 |
0.2%
|
|
| 2017 | 2 |
0.2%
|
|
| 2018 | 5 |
0.6%
|
|
| 2019 | 10 |
1.2%
|
|
| 2020 | 10 |
1.2%
|
|
| 2021 | 19 |
2.3%
|
|
| 2022 | 48 |
5.9%
|
|
| 2023 | 216 |
26.6%
|
|
| 2024 | 433 |
53.3%
|
|
| 2025 | 7 |
0.9%
|
|
| Sysmiss | 1377 |