| Value | Category | Cases | |
|---|---|---|---|
| -9 | Refuse to answer | 0 |
0%
|
| -8 | I don't know | 0 |
0%
|
| 0 | No | 252 |
37.1%
|
| 1 | Yes | 428 |
62.9%
|
| Sysmiss | 2124 |