| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
3.8%
|
| -8 | Refusal (spontaneous) | 1 |
0.6%
|
| -7 | Does not apply | 3 |
1.9%
|
| 1 | Yes | 3 |
1.9%
|
| 2 | No | 144 |
91.7%
|
| Sysmiss | 1506 |