| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 70 |
1.2%
|
| -8 | Refused | 47 |
0.8%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 1 |
0%
|
| 1 | Yes | 1073 |
18.6%
|
| 2 | No | 4585 |
79.4%
|
| Sysmiss | 1297 |