| Value | Category | Cases | |
|---|---|---|---|
| 1 | A written contract | 3938 |
11.4%
|
| 2 | Verbal agreement | 4124 |
12%
|
| 3 | Implied contract | 243 |
0.7%
|
| 4 | No contract | 26139 |
75.9%
|
| Sysmiss | 58402 |