| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
5%
|
| -7 | Does not apply | 1 |
1.7%
|
| 0 | No losses | 54 |
90%
|
| 1 | 2 |
3.3%
|
|
| Sysmiss | 300 |