Variable's CODE LIST: PS021_F (1899,0) Anno: 2022
| Code | Description | Upper Code | Notes |
| 1 | Filled | ||
| -1 | Missing | ||
| -2 | Not applicable (PS020 equal to 1,2,3,4,5 or 6) | ||
| -3 | Not selected respondent | ||
| -7 | Not applicable (PB010 not equal to 2022) | ||
| -8 | Not applicable (variable not collected) |