| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 25 |
24.8%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 1 | Yes | 1 |
1%
|
| 2 | No | 75 |
74.3%
|
| Sysmiss | 1658 |