| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 2004 | 2 |
0.8%
|
|
| 2006 | 1 |
0.4%
|
|
| 2007 | 1 |
0.4%
|
|
| 2010 | 1 |
0.4%
|
|
| 2014 | 2 |
0.8%
|
|
| 2015 | 1 |
0.4%
|
|
| 2016 | 2 |
0.8%
|
|
| 2017 | 2 |
0.8%
|
|
| 2018 | 5 |
2%
|
|
| 2019 | 5 |
2%
|
|
| 2020 | 13 |
5.1%
|
|
| 2021 | 6 |
2.3%
|
|
| 2022 | 31 |
12.1%
|
|
| 2023 | 79 |
30.9%
|
|
| 2024 | 105 |
41%
|
|
| Sysmiss | 336 |