| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
2.9%
|
| 1995 | 3 |
2.9%
|
|
| 2000 | 2 |
1.9%
|
|
| 2008 | 1 |
1%
|
|
| 2010 | 1 |
1%
|
|
| 2011 | 2 |
1.9%
|
|
| 2014 | 1 |
1%
|
|
| 2015 | 1 |
1%
|
|
| 2017 | 2 |
1.9%
|
|
| 2018 | 5 |
4.8%
|
|
| 2019 | 3 |
2.9%
|
|
| 2020 | 7 |
6.7%
|
|
| 2021 | 5 |
4.8%
|
|
| 2022 | 5 |
4.8%
|
|
| 2023 | 17 |
16.2%
|
|
| 2024 | 46 |
43.8%
|
|
| 2025 | 1 |
1%
|
|
| Sysmiss | 136 |