| Value | Category | Cases | |
|---|---|---|---|
| -9 | Refuse to answer | 0 |
0%
|
| -8 | I don't know | 7 |
0.5%
|
| 0 | No | 940 |
66.9%
|
| 1 | Yes | 459 |
32.6%
|
| Sysmiss | 1398 |