Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
33.3%
|
2021 | 2 |
22.2%
|
|
2022 | 3 |
33.3%
|
|
2023 | 1 |
11.1%
|
|
Sysmiss | 142 |