| Value | Category | Cases | |
|---|---|---|---|
| -9 | Refuse to answer | 0 |
0%
|
| -8 | I don't know | 9 |
0.9%
|
| 0 | No | 672 |
69.9%
|
| 1 | Yes | 280 |
29.1%
|
| Sysmiss | 1843 |