| Value |
Category |
| 1 |
Voluntary |
| 2 |
Paid overtime |
| 3 |
Part of main work |
| 4 |
An obligation without compensation |
| 5 |
Other |
| 0 |
NR |
| 9 |
NA |
| 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.