| Value | Category | Cases | |
|---|---|---|---|
| -9 | Refuse to answer | 3 |
0.2%
|
| -8 | I don't know | 4 |
0.3%
|
| 0 | No | 95 |
6.8%
|
| 1 | Yes | 1296 |
92.7%
|
| Sysmiss | 1406 |