| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
2.6%
|
| -7 | Does not apply | 4 |
2.1%
|
| 0 | No losses | 180 |
94.7%
|
| 1 | 1 |
0.5%
|
|
| Sysmiss | 1805 |