| Value | Category | Cases | |
|---|---|---|---|
| -9 | Refused to answer | 0 |
0%
|
| -8 | Don't know | 1 |
0%
|
| 1 | Formal written contract | 39 |
0.7%
|
| 2 | Oral with witness | 20 |
0.4%
|
| 3 | Oral without witness | 32 |
0.6%
|
| 4 | Other (specify) | 0 |
0%
|
| Missing value | 5152 |
98.2%
|