| Value | Category | Cases | |
|---|---|---|---|
| -9 | Refuse to answer | 0 |
0%
|
| -8 | I don't know | 15 |
1.6%
|
| 0 | No | 757 |
78.8%
|
| 1 | Yes | 189 |
19.7%
|
| Sysmiss | 1843 |