| Value |
Category |
| -1 |
Unknown |
| 1 |
Student |
| 2 |
Housework |
| 3 |
Sicness/Diability |
| 4 |
Too young/too old |
| 5 |
Others |
| 9 |
|
| Sysmiss |
|
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.