| Value |
Category |
| -6 |
(Folgestudie verweigert) |
| -4 |
(Papier keine Antwort) |
| -2 |
(Keine Antwort) |
| -1 |
(Papiermodus: nicht zutreffend) |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.