| Value | Category | Cases | |
|---|---|---|---|
| -9 | Refuse to answer | 0 |
0%
|
| -8 | I don't know | 1 |
0.3%
|
| 0 | No | 16 |
5.2%
|
| 1 | Yes | 292 |
94.5%
|
| Sysmiss | 162 |