| Value |
Category |
| 1 |
Written contract |
| 2 |
Oral contract |
| 3 |
No contract |
| 4 |
Do not know / not sure |
| 5 |
Other (specify) |
| 9 |
Missing Value |
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.