| Value | Category | Cases | |
|---|---|---|---|
| 1 | A written document | 3861 |
62.4%
|
| 2 | An oral agreement | 579 |
9.4%
|
| 3 | No agreement | 1371 |
22.2%
|
| 9 | Missing | 373 |
6%
|
| 98 | Not applicable | 0 |
0%
|
| Sysmiss | 3243 |