| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
0.1%
|
|
| 1 | Yes, written contract | 6595 |
86%
|
| 2 | Yes, oral agreement | 628 |
8.2%
|
| 3 | No | 443 |
5.8%
|
| Sysmiss | 36568 |