| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, written contract | 1193 |
50%
|
| 2 | Yes, oral agreement | 998 |
41.8%
|
| 3 | No contract | 87 |
3.6%
|
| 4 | Do not know | 110 |
4.6%
|
| Sysmiss | 12207 |