| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
10%
|
| -7 | No dispute has been resolved | 1 |
10%
|
| 1 | One month or less | 7 |
70%
|
| 3 | 1 |
10%
|
|
| Sysmiss | 588 |