| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
2.5%
|
| -7 | Does not apply | 2 |
1.6%
|
| 0 | No losses | 113 |
92.6%
|
| 1 | 2 |
1.6%
|
|
| 2 | 1 |
0.8%
|
|
| 10 | 1 |
0.8%
|
|
| Sysmiss | 479 |