| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
21.4%
|
| -7 | No dispute has been resolved | 1 |
7.1%
|
| 0 | Less than one month | 9 |
64.3%
|
| 6 | 1 |
7.1%
|
|
| Sysmiss | 994 |