| Value | Category | Cases | |
|---|---|---|---|
| -9 | Refuse to answer | 0 |
0%
|
| -8 | I don't know | 3 |
1%
|
| 0 | No | 259 |
83.8%
|
| 1 | Yes | 47 |
15.2%
|
| Sysmiss | 162 |